Initial commit

2026-07-12 13:56:05 +04:00
commit 04bf3a4b58
850 changed files with 9057 additions and 0 deletions
@@ -0,0 +1,11 @@
+@echo off
+
+sqlcmd -S %SSMS_SERVER_NAME% -U %SSMS_USER_NAME% -P %SSMS_USER_PASSWORD% -i ^
+.\functions\function-does_barcode_exist.sql ^
+.\functions\function-does_product_exist_with_name.sql ^
+.\functions\function-does_product_exist_with_product_type_id.sql ^
+.\functions\function-does_product_type_exist_with_name.sql ^
+.\functions\function-subgroup_products_join_product_types.sql ^
+.\functions\function-same_products_join_product_types.sql ^
+.\functions\function-product_type_id.sql ^
+-r1 1> NUL
@@ -0,0 +1,15 @@
+@echo off
+
+sqlcmd -S %SSMS_SERVER_NAME% -U %SSMS_USER_NAME% -P %SSMS_USER_PASSWORD% -i ^
+.\procedures\specific-procedures\procedure-products_join_product_types.sql ^
+.\procedures\specific-procedures\procedure-rename_product.sql ^
+.\procedures\specific-procedures\procedure-rename_product_type.sql ^
+.\procedures\specific-procedures\procedure-specify_product_type.sql ^
+.\procedures\specific-procedures\procedure-update_barcode.sql ^
+.\procedures\standard-procedures\removal-procedures\procedures-delete_product.sql ^
+.\procedures\standard-procedures\removal-procedures\procedure-delete_product_type.sql ^
+.\procedures\standard-procedures\insertion-procedures\procedure-insert_product.sql ^
+.\procedures\standard-procedures\insertion-procedures\procedure-insert_product_type.sql ^
+.\procedures\standard-procedures\insertion-procedures\procedure-insert_product_attribute.sql ^
+.\procedures\standard-procedures\insertion-procedures\procedure-insert_product_value.sql ^
+-r1 1> NUL
@@ -0,0 +1,6 @@
+@echo off
+
+sqlcmd -S %SSMS_SERVER_NAME% -U %SSMS_USER_NAME% -P %SSMS_USER_PASSWORD% -i ^
+.\triggers\ddl-trigger-trg_drop_table.sql ^
+.\triggers\dml-trigger-trg_insert_product_types.sql ^
+-r1 1> NUL
@@ -0,0 +1,5 @@
+@echo off
+
+sqlcmd -S %SSMS_SERVER_NAME% -U %SSMS_USER_NAME% -P %SSMS_USER_PASSWORD% -i ^
+.\users\create-a-user-user.sql ^
+-r1 1> NUL
@@ -0,0 +1,5 @@
+@echo off
+
+sqlcmd -S %SSMS_SERVER_NAME% -U %SSMS_USER_NAME% -P %SSMS_USER_PASSWORD% -i ^
+.\deleting\delete-tables.sql ^
+-r1 1> NUL
@@ -0,0 +1,26 @@
+USE [Database]
+
+IF OBJECT_ID('[Tables].[product_write_off_records]', 'U') IS NOT NULL
+  DELETE [Tables].[product_write_off_records];
+IF OBJECT_ID('[Tables].[additional_variables]', 'U') IS NOT NULL
+  DELETE [Tables].[additional_variables];
+IF OBJECT_ID('[Tables].[price_history_records]', 'U') IS NOT NULL
+  DELETE [Tables].[price_history_records];
+IF OBJECT_ID('[Tables].[product_outflow_records]', 'U') IS NOT NULL
+  DELETE [Tables].[product_outflow_records];
+IF OBJECT_ID('[Tables].[product_inflow_records]', 'U') IS NOT NULL
+  DELETE [Tables].[product_inflow_records];
+IF OBJECT_ID('[Tables].[write_off_reasons]', 'U') IS NOT NULL
+  DELETE [Tables].[write_off_reasons];
+IF OBJECT_ID('[Tables].[product_values]', 'U') IS NOT NULL
+  DELETE [Tables].[product_values];
+IF OBJECT_ID('[Tables].[product_attributes]', 'U') IS NOT NULL
+  DELETE [Tables].[product_attributes];
+IF OBJECT_ID('[Tables].[attributes]', 'U') IS NOT NULL 
+  DELETE [Tables].[attributes];
+IF OBJECT_ID('[Tables].[suppliers]', 'U') IS NOT NULL
+  DELETE [Tables].[suppliers];
+IF OBJECT_ID('[Tables].[products]', 'U') IS NOT NULL
+  DELETE [Tables].[products];
+IF OBJECT_ID('[Tables].[product_types]', 'U') IS NOT NULL
+  DELETE [Tables].[product_types];
@@ -0,0 +1,5 @@
+@echo off
+
+sqlcmd -S %SSMS_SERVER_NAME% -U %SSMS_USER_NAME% -P %SSMS_USER_PASSWORD% -i ^
+.\drop-create\drop-create-Database.sql ^
+-r1 1> NUL
@@ -0,0 +1,195 @@
+USE [master];
+
+IF EXISTS (SELECT 1 FROM sys.databases WHERE [name] = N'Database')
+BEGIN
+    EXECUTE sp_executesql
+    @stmt =
+      N'USE [Database];
+      ALTER DATABASE [Database]
+        SET SINGLE_USER WITH ROLLBACK IMMEDIATE;
+      USE [tempdb];
+      DROP DATABASE [Database];'
+END;
+GO
+
+CREATE DATABASE [Database];
+GO
+
+USE [Database];
+GO
+
+CREATE SCHEMA [Tables] AUTHORIZATION [dbo];
+GO 
+
+CREATE SCHEMA [Views] AUTHORIZATION [dbo];
+GO
+
+CREATE SCHEMA [Functions] AUTHORIZATION [dbo];
+GO
+
+CREATE SCHEMA [Procedures] AUTHORIZATION [dbo];
+GO
+
+CREATE TABLE [Tables].[product_types](
+  [id]        INT NOT NULL IDENTITY(1, 1),
+  [parent_id] INT DEFAULT(NULL),
+  [name]      NVARCHAR(128) NOT NULL,
+  CONSTRAINT PK_product_types
+    PRIMARY KEY([id]),
+  CONSTRAINT FK_product_types FOREIGN KEY([parent_id])
+    REFERENCES [Tables].[product_types]([id])
+);
+
+CREATE TABLE [Tables].[products](
+  [id]              INT NOT NULL IDENTITY(1, 1),
+  [barcode]         BIGINT NOT NULL UNIQUE,
+  [name]            NVARCHAR(128) NOT NULL UNIQUE,
+  [product_type_id] INT NOT NULL,
+  CONSTRAINT PK_products
+    PRIMARY KEY([id]),
+  CONSTRAINT CHECK_products
+    CHECK([barcode] > -1 AND [barcode] < 10000000000000),
+  CONSTRAINT FK_product_type_id FOREIGN KEY([product_type_id])
+    REFERENCES [Tables].[product_types]([id])
+);
+
+CREATE TABLE [Tables].[suppliers](
+  [id]               INT NOT NULL IDENTITY(1, 1),
+  [name]             NVARCHAR(128) NOT NULL UNIQUE,
+  [address]          NVARCHAR(128) NOT NULL,
+  [telephone_number] NVARCHAR(128) NOT NULL,
+  CONSTRAINT PK_suppliers
+    PRIMARY KEY([id])
+);
+
+--CREATE TABLE [Tables].[additional_variables](
+--  [id]    INT NOT NULL IDENTITY(1, 1),
+--  [name]  NVARCHAR(128) NOT NULL UNIQUE,
+--  [value] NVARCHAR(128) NOT NULL
+--  CONSTRAINT PK_additionalVariables
+--    PRIMARY KEY([id])
+--);
+
+CREATE TABLE [Tables].[attributes](
+  [id]   INT NOT NULL IDENTITY(1, 1),
+  [name] NVARCHAR(128) NOT NULL UNIQUE,
+  CONSTRAINT PK_attributes
+    PRIMARY KEY([id])
+);
+
+CREATE TABLE [Tables].[product_attributes](
+  [product_id]   INT NOT NULL,
+  [attribute_id] INT NOT NULL,
+  [description] NVARCHAR(128)
+  CONSTRAINT PK_product_attributes
+    PRIMARY KEY([product_id], [attribute_id]),
+  CONSTRAINT FK_product_attributes_product_id FOREIGN KEY([product_id])
+    REFERENCES [Tables].[products]([id]),
+  CONSTRAINT FK_product_attributes_attribute_id FOREIGN KEY([attribute_id])
+    REFERENCES [Tables].[attributes]([id])
+);
+
+CREATE TABLE [Tables].[product_values](
+  [id]           INT NOT NULL IDENTITY(1, 1),
+  [product_id]   INT NOT NULL,
+  [attribute_id] INT NOT NULL,
+  [value]        NVARCHAR(128) NOT NULL,
+  CONSTRAINT PK_product_values
+    PRIMARY KEY([id]),
+  CONSTRAINT FK_product_values FOREIGN KEY([product_id], [attribute_id])
+    REFERENCES [Tables].[product_attributes]([product_id], [attribute_id])
+);
+
+CREATE TABLE [Tables].[price_history_records](
+  [id]         INT NOT NULL IDENTITY(1, 1),
+  [product_id] INT NOT NULL,
+  [datetime]   DATETIME NOT NULL DEFAULT(SYSDATETIME()),
+  [price]      MONEY NOT NULL,
+  CONSTRAINT PK_price_history_records
+    PRIMARY KEY([id]),
+  CONSTRAINT FK_price_history_records_product_id FOREIGN KEY([product_id])
+    REFERENCES [Tables].[products]([id]),
+  CONSTRAINT CHECK_price_history_records
+    CHECK([price] >= 0)
+);
+
+-- CREATE TABLE [Tables].[barcode_history]...
+
+CREATE TABLE [Tables].[product_outflow_records](
+  [id]         INT NOT NULL IDENTITY(1, 1),
+  [product_id] INT NOT NULL, -- without reference (temp)
+  [barcode]    BIGINT NOT NULL,
+  [count]      INT NOT NULL,
+  [datetime]   DATETIME NOT NULL DEFAULT(SYSDATETIME())
+  CONSTRAINT PK_product_outflow_records
+    PRIMARY KEY([id]),
+  CONSTRAINT CHECK_product_outflow_records
+    CHECK([count] > 0),
+  CONSTRAINT FK_product_outflow_records FOREIGN KEY([product_id])
+    REFERENCES [Tables].[products]([id])
+);
+
+CREATE TABLE [Tables].[product_inflow_records](
+  [id]          INT NOT NULL IDENTITY(1, 1),
+  [product_id]  INT NOT NULL,
+  [barcode]     BIGINT NOT NULL, -- without reference (temp)
+  [supplier_id] INT NOT NULL,
+  [count]       INT NOT NULL,
+  [full_price]  MONEY NOT NULL,
+  [datetime]    DATETIME NOT NULL DEFAULT(SYSDATETIME())
+  CONSTRAINT PK_product_inflow_records
+    PRIMARY KEY([id])
+  CONSTRAINT FK_product_inflow_records_supplier_id FOREIGN KEY([supplier_id])
+    REFERENCES [Tables].[suppliers]([id]),
+  CONSTRAINT CHECK_product_inflow_records
+    CHECK([count] > 0 AND [full_price] >= 0),
+  CONSTRAINT FK_product_inflow_records FOREIGN KEY([product_id])
+    REFERENCES [Tables].[products]([id])
+);
+
+CREATE TABLE [Tables].[write_off_reasons](
+  [id]   INT NOT NULL IDENTITY(1, 1),
+  [name] NVARCHAR(128) NOT NULL,
+  CONSTRAINT PK_write_off_reasons
+    PRIMARY KEY([id]),
+);
+
+CREATE TABLE [Tables].[product_write_off_records](
+  [id]         INT NOT NULL IDENTITY(1, 1),
+  [product_id] INT NOT NULL,
+  [barcode]    BIGINT NOT NULL, -- without reference (temp)
+  [reason_id]  INT NOT NULL,
+  [count]      INT NOT NULL,
+  [datetime]   DATETIME NOT NULL DEFAULT(SYSDATETIME())
+  CONSTRAINT PK_product_write_off_records
+    PRIMARY KEY([id])
+  CONSTRAINT FK_product_write_off_records_reason_id FOREIGN KEY([reason_id])
+    REFERENCES [Tables].[write_off_reasons]([id]),
+  CONSTRAINT CHECK_product_write_off_records
+    CHECK([count] > 0),
+  CONSTRAINT FK_product_write_off_records FOREIGN KEY([product_id])
+    REFERENCES [Tables].[products]([id])
+);
+GO
+
+CREATE VIEW [Views].[product_properties]
+WITH SCHEMABINDING
+AS
+  SELECT [PA].[product_id], [PA].[attribute_id], [A].[name], [PV].[value]
+  FROM [Tables].[product_attributes] AS [PA]
+  LEFT OUTER JOIN [Tables].[product_values] AS [PV]
+  ON [PV].[product_id] = [PA].[product_id]
+     AND [PV].[attribute_id] = [PA].[attribute_id]
+  JOIN [Tables].[attributes] AS [A]
+  ON [A].[id] = [PA].[attribute_id];
+GO
+
+CREATE VIEW [Views].[available_product_types]
+WITH SCHEMABINDING
+AS
+  SELECT [B].[id], [B].[parent_id], [B].[name]
+  FROM [Tables].[product_types] AS [A]
+  RIGHT JOIN [Tables].[product_types] AS [B]
+    ON [B].[id] = [A].[parent_id]
+  WHERE [A].[id] IS NULL;
+GO
@@ -0,0 +1,161 @@
+USE [master];
+
+IF EXISTS (SELECT 1 FROM sys.databases WHERE [name] = N'Database')
+BEGIN
+    EXECUTE sp_executesql
+    @stmt =
+      N'USE [Database];
+      ALTER DATABASE [Database]
+        SET SINGLE_USER WITH ROLLBACK IMMEDIATE;
+      USE [tempdb];
+      DROP DATABASE [Database];'
+END;
+GO
+
+CREATE DATABASE [Database];
+GO
+
+USE [Database];
+GO
+
+CREATE SCHEMA [Tables] AUTHORIZATION [dbo];
+GO 
+
+CREATE SCHEMA [Functions] AUTHORIZATION [dbo];
+GO
+
+CREATE SCHEMA [Procedures] AUTHORIZATION [dbo];
+GO
+
+CREATE TABLE [Tables].[product_types](
+  [id]        INT NOT NULL IDENTITY(1, 1),
+  [parent_id] INT DEFAULT(NULL),
+  [name]      NVARCHAR(128) NOT NULL,
+  CONSTRAINT PK_product_types
+    PRIMARY KEY([id]),
+  CONSTRAINT FK_product_types FOREIGN KEY([parent_id])
+    REFERENCES [Tables].[product_types]([id])
+);
+
+CREATE TABLE [Tables].[products](
+  [id]              INT NOT NULL IDENTITY(1, 1),
+  [name]            NVARCHAR(128) NOT NULL UNIQUE,
+  [product_type_id] INT NOT NULL,
+  CONSTRAINT PK_products
+    PRIMARY KEY([id]),
+  CONSTRAINT FK_product_type_id FOREIGN KEY([product_type_id])
+    REFERENCES [Tables].[product_types]([id])
+);
+
+CREATE TABLE [Tables].[suppliers](
+  [id]               INT NOT NULL IDENTITY(1, 1),
+  [name]             NVARCHAR(128) NOT NULL UNIQUE,
+  [address]          NVARCHAR(128) NOT NULL,
+  [telephone_number] NVARCHAR(128) NOT NULL,
+  CONSTRAINT PK_suppliers
+    PRIMARY KEY([id])
+);
+
+CREATE TABLE [Tables].[additional_variables](
+  [id]    INT NOT NULL IDENTITY(1, 1),
+  [name]  NVARCHAR(128) NOT NULL UNIQUE,
+  [value] NVARCHAR(128) NOT NULL
+  CONSTRAINT PK_additionalVariables
+    PRIMARY KEY([id])
+);
+
+CREATE TABLE [Tables].[attributes](
+  [id]   INT NOT NULL IDENTITY(1, 1),
+  [name] NVARCHAR(128) NOT NULL UNIQUE,
+  CONSTRAINT PK_attributes
+    PRIMARY KEY([id])
+);
+
+CREATE TABLE [Tables].[product_attributes](
+  [product_id]   INT NOT NULL,
+  [attribute_id] INT NOT NULL,
+  CONSTRAINT PK_product_attributes
+    PRIMARY KEY([product_id], [attribute_id]),
+  CONSTRAINT FK_product_attributes_product_id FOREIGN KEY([product_id])
+    REFERENCES [Tables].[products]([id]),
+  CONSTRAINT FK_product_attributes_attribute_id FOREIGN KEY([attribute_id])
+    REFERENCES [Tables].[attributes]([id])
+);
+
+CREATE TABLE [Tables].[product_values](
+  [id]           INT NOT NULL IDENTITY(1, 1),
+  [product_id]   INT NOT NULL,
+  [attribute_id] INT NOT NULL,
+  [value]        NVARCHAR(128) NOT NULL,
+  CONSTRAINT PK_product_values
+    PRIMARY KEY([id]),
+  CONSTRAINT FK_product_values FOREIGN KEY([product_id], [attribute_id])
+    REFERENCES [Tables].[product_attributes]([product_id], [attribute_id])
+);
+
+CREATE TABLE [Tables].[price_history_records](
+  [id]         INT NOT NULL IDENTITY(1, 1),
+  [product_id] INT NOT NULL,
+  [datetime]   DATETIME NOT NULL DEFAULT(SYSDATETIME()),
+  [price]      MONEY NOT NULL,
+  CONSTRAINT PK_price_history_records
+    PRIMARY KEY([id]),
+  CONSTRAINT FK_price_history_records_product_id FOREIGN KEY([product_id])
+    REFERENCES [Tables].[products]([id]),
+  CONSTRAINT CHECK_price_history_records
+    CHECK(price >= 0)
+);
+
+CREATE TABLE [Tables].[product_outflow_records](
+  [id]                       INT NOT NULL IDENTITY(1, 1),
+  [barcode_product_value_id] INT NOT NULL,
+  [count]                    INT NOT NULL,
+  [datetime]                 DATETIME NOT NULL DEFAULT(SYSDATETIME())
+  CONSTRAINT PK_product_outflow_records
+    PRIMARY KEY([id]),
+  CONSTRAINT FK_product_outflow_records FOREIGN KEY([barcode_product_value_id])
+    REFERENCES [Tables].[product_values]([id]),
+  CONSTRAINT CHECK_product_outflow_records
+    CHECK([count] > 0)
+);
+
+CREATE TABLE [Tables].[product_inflow_records](
+  [id]                        INT NOT NULL IDENTITY(1, 1),
+  [barcode_product_value_id]  INT NOT NULL,
+  [supplier_id]               INT NOT NULL,
+  [count]                     INT NOT NULL,
+  [full_price]                MONEY NOT NULL,
+  [datetime]                  DATETIME NOT NULL DEFAULT(SYSDATETIME())
+  CONSTRAINT PK_product_inflow_records
+    PRIMARY KEY([id])
+  CONSTRAINT FK_product_inflow_records_barcode_id FOREIGN KEY([barcode_product_value_id])
+    REFERENCES [Tables].[product_values]([id]),
+  CONSTRAINT FK_product_inflow_records_supplier_id FOREIGN KEY([supplier_id])
+    REFERENCES [Tables].[suppliers]([id]),
+  CONSTRAINT CHECK_product_inflow_records
+    CHECK([count] > 0 AND [full_price] >= 0)
+);
+
+CREATE TABLE [Tables].[write_off_reasons](
+  [id]   INT NOT NULL IDENTITY(1, 1),
+  [name] NVARCHAR(128) NOT NULL,
+  CONSTRAINT PK_write_off_reasons
+    PRIMARY KEY([id]),
+);
+
+CREATE TABLE [Tables].[product_write_off_records](
+  [id]                       INT NOT NULL IDENTITY(1, 1),
+  [barcode_product_value_id] INT NOT NULL,
+  [reason_id]                INT NOT NULL,
+  [count]                    INT NOT NULL,
+  [datetime]                 DATETIME NOT NULL DEFAULT(SYSDATETIME())
+  CONSTRAINT PK_product_write_off_records
+    PRIMARY KEY([id])
+  CONSTRAINT FK_product_write_off_records_barcode_id FOREIGN KEY([barcode_product_value_id])
+    REFERENCES [Tables].[product_values]([id]),
+  CONSTRAINT FK_product_write_off_records_reason_id FOREIGN KEY([reason_id])
+    REFERENCES [Tables].[write_off_reasons]([id]),
+  CONSTRAINT CHECK_product_write_off_records
+    CHECK([count] > 0)
+);
+GO
@@ -0,0 +1,19 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[does_barcode_exist]') IS NOT NULL
+  DROP FUNCTION [Functions].[does_barcode_exist];
+GO
+CREATE FUNCTION [Functions].[does_barcode_exist](
+  @barcode AS BIGINT
+)
+RETURNS BIT
+AS
+BEGIN
+	IF EXISTS(
+		SELECT *
+		FROM [Tables].[products]
+	    WHERE [barcode] = @barcode
+	)
+		RETURN CAST(1 AS BIT);
+	RETURN CAST(0 AS BIT);
+END
@@ -0,0 +1,19 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[does_product_exist_with_name]') IS NOT NULL
+  DROP FUNCTION [Functions].[does_product_exist_with_name];
+GO
+CREATE FUNCTION [Functions].[does_product_exist_with_name](
+  @name AS NVARCHAR(128)
+)
+RETURNS BIT
+AS
+BEGIN
+  IF EXISTS (
+    SELECT *
+    FROM [Tables].[products]
+    WHERE [name] = @name
+  )
+    RETURN CAST(1 AS BIT);
+  RETURN CAST(0 AS BIT);
+END
@@ -0,0 +1,19 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[does_product_exist_with_product_type_id]') IS NOT NULL
+  DROP FUNCTION [Functions].[does_product_exist_with_product_type_id];
+GO
+CREATE FUNCTION [Functions].[does_product_exist_with_product_type_id](
+  @product_type_id AS INT
+)
+RETURNS BIT
+AS
+BEGIN
+  IF EXISTS (
+    SELECT *
+    FROM [Tables].[products]
+    WHERE [product_type_id] = @product_type_id
+  )
+    RETURN CAST(1 AS BIT);
+  RETURN CAST(0 AS BIT);
+END
@@ -0,0 +1,19 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[does_product_type_exist_with_name]') IS NOT NULL
+  DROP FUNCTION [Functions].[does_product_type_exist_with_name];
+GO
+CREATE FUNCTION [Functions].[does_product_type_exist_with_name](
+  @name AS NVARCHAR(128)
+)
+RETURNS BIT
+AS
+BEGIN
+  IF EXISTS (
+    SELECT *
+    FROM [Tables].[product_types]
+    WHERE [name] = @name
+  )
+    RETURN CAST(1 AS BIT);
+  RETURN CAST(0 AS BIT);
+END
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[product_type_id]') IS NOT NULL
+  DROP FUNCTION [Functions].[product_type_id];
+GO
+CREATE FUNCTION [Functions].[product_type_id](
+  @product_id AS INT
+)
+RETURNS INT
+BEGIN
+  DECLARE @product_type AS INT;
+  SET @product_type = (
+    SELECT [product_type_id]
+    FROM [Tables].[products]
+	WHERE [id] = @product_id);
+  RETURN @product_type;
+END
@@ -0,0 +1,26 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[same_products_join_product_types]') IS NOT NULL
+  DROP FUNCTION [Functions].[same_products_join_product_types];
+GO
+
+CREATE FUNCTION [Functions].[same_products_join_product_types](
+  @product_type_id AS INT
+)
+RETURNS TABLE
+  RETURN
+  WITH [result] AS (
+    SELECT [id], [parent_id], [name]
+    FROM [Tables].[product_types]
+    WHERE [id] = @product_type_id
+  )
+  SELECT [P].[id] AS [product_id],
+	       [P].[barcode] AS [product_barcode],
+	       [P].[product_type_id],
+		   [P].[name] AS [product_name],
+		   [PT].[name] AS [product_type_name]
+  FROM [result] AS [R]
+    JOIN [Tables].[products] AS [P]
+  ON [P].[product_type_id] = [R].[id]
+    JOIN [Tables].[product_types] AS [PT]
+  ON [PT].[id] = [P].[product_type_id]
@@ -0,0 +1,34 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[subgroup_products_join_product_types]') IS NOT NULL
+  DROP FUNCTION [Functions].[subgroup_products_join_product_types];
+GO
+
+CREATE FUNCTION [Functions].[subgroup_products_join_product_types](
+  @product_type_id AS INT
+)
+RETURNS TABLE
+  RETURN
+    WITH [result] AS 
+    (
+     SELECT [id], [parent_id], [name]
+     FROM [Tables].[product_types]
+     WHERE [id] = @product_type_id
+     
+     UNION ALL
+     
+     SELECT [PT].[id], [PT].[parent_id], [PT].[name]
+     FROM [result] AS [R]
+     JOIN [Tables].[product_types] AS [PT]
+     ON [PT].[parent_id] = [R].[id]
+    )
+    SELECT [P].[id] AS [product_id],
+	       [P].[barcode] AS [product_barcode],
+	       [P].[product_type_id],
+		   [P].[name] AS [product_name],
+		   [PT].[name] AS [product_type_name]
+    FROM [result] AS [R]
+      JOIN [Tables].[products] AS [P]
+    ON [P].[product_type_id] = [R].[id]
+	  JOIN [Tables].[product_types] AS [PT]
+	ON [PT].[id] = [P].[product_type_id]
@@ -0,0 +1,16 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[fill_CHAR_128]') IS NOT NULL
+  DROP FUNCTION [Functions].[fill_CHAR_128];
+GO
+
+CREATE FUNCTION [Functions].[fill_CHAR_128](
+  @string AS NVARCHAR(128),
+  @symbol AS NVARCHAR,
+  @width  AS INT
+)
+RETURNS NVARCHAR(128) AS
+BEGIN
+  RETURN CONCAT(REPLICATE(@symbol, @width - LEN(@string)), @string);
+END
+GO
@@ -0,0 +1,39 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[product_with_barcode_stock]') IS NOT NULL
+  DROP FUNCTION [Functions].[product_with_barcode_stock];
+GO
+
+CREATE FUNCTION [Functions].[product_with_barcode_stock](
+  @barcode AS BIGINT
+)
+RETURNS INT AS
+BEGIN
+  DECLARE @product_inflow_sum AS INT;
+  SET @product_inflow_sum = (
+    SELECT ISNULL(SUM([count]), 0) AS [sum]
+    FROM [Tables].[product_inflow_records]
+    WHERE [barcode] = @barcode
+  );
+  DECLARE @result AS INT;
+  WITH [counts] AS (
+    SELECT [POR].[count] AS [outflow_count], [PWOR].[count] AS [write_off_count]
+    FROM [Tables].[products] AS [P]
+    LEFT OUTER JOIN [Tables].[product_outflow_records] AS [POR]
+      ON [POR].[barcode] = [P].[barcode]
+    LEFT OUTER JOIN [Tables].[product_write_off_records] AS [PWOR]
+      ON [PWOR].[barcode] = [P].[barcode]
+    GROUP BY
+     GROUPING SETS
+	 (
+       ([POR].[count]),
+       ([PWOR].[count])
+     )
+  )
+  SELECT @result = (
+    @product_inflow_sum - ISNULL(SUM([outflow_count]), 0) - ISNULL(SUM([write_off_count]), 0)
+  )
+  FROM [counts];
+  RETURN @result;
+END
+GO
@@ -0,0 +1,5 @@
+@echo off
+
+sqlcmd -S %SSMS_SERVER_NAME% -U %SSMS_USER_NAME% -P %SSMS_USER_PASSWORD% -i ^
+.\Initializing\initialize-all.sql ^
+-r1 1> NUL
@@ -0,0 +1,88 @@
+USE [Database]
+
+SET IDENTITY_INSERT [Tables].[product_types] ON;
+INSERT INTO [Tables].[product_types]([id], [parent_id], [name])
+VALUES
+  (1, DEFAULT, N'Íåïðîäîâîëüñòâåííàÿ ïðîäóêöèÿ'),
+   (2, 1, N'Îäåæäà'),
+   (3, 1, N'Äåòñêèå òîâàðû'),
+   (4, 1, N'Äåêîð è èíòåðüåð'),
+   (5, 1, N'Õîááè è òâîð÷åñòâî'),
+    (6, 5, N'Íàñòîëüíûå è êàðòî÷íûå èãðû'),
+     (7, 6, N'Èãðàëüíûå êàðòû'),
+     (8, 6, N'Àêñåññóàðû'),
+   (9, 6, N'Íàñòîëüíûå èãðû'),
+    (10, 5, N'Ïàçëû è ãîëîâîëîìêè'),
+   (11, 1, N'Èãðû è êîíñîëè'),
+   (12, 1, N'Àêñåññóàðû'),
+    (13, 12, N'Áèæóòåðíûå óêðàøåíèÿ'),
+     (14, 13, N'Áðåëîêè è çíà÷êè'),
+  (15, DEFAULT, N'Ïðîäîâîëüñòâåííàÿ ïðîäóêöèÿ'),
+   (16, 15, N'Ñîêè, âîäû, íàïèòêè'),
+    (17, 16, N'Âîäà'),
+   (18, 15, N'Âûïå÷êà è ñëàäîñòè'),
+    (19, 18, N'Êîíôåòû'),
+     (20, 19, N'Äðàæå'),
+    (21, 18, N'Ïå÷åíüå, ïðÿíèêè è âàôëè'),
+   (22, 21, N'Ïå÷åíüå'),
+  (23, 18, N'Æåâàòåëüíàÿ ðåçèíêà');
+SET IDENTITY_INSERT [Tables].[product_types] OFF;
+
+SET IDENTITY_INSERT [Tables].[attributes] ON;
+INSERT INTO [Tables].[attributes]([id], [name])
+VALUES
+  (1, 'Article number'),
+  (2, 'Date of manufacture'),
+  (3, 'Expiration date'),
+  (4, 'Unit');
+SET IDENTITY_INSERT [Tables].[attributes] OFF;
+
+SET IDENTITY_INSERT [Tables].[products] ON;
+INSERT INTO [Tables].[products] ([id], [barcode], [name], [product_type_id])
+VALUES(1, 1111111111111, N'Hobby World Êàðòî÷íàÿ èãðà Óæàñ Àðêõýìà', 9),
+      (2, 2222222222222, N'Æåâàòåëüíàÿ ðåçèíêà Orbit Mega Êëóáíèêà, áåç ñàõàðà, 16,4 ã', 23),
+	  (3, 3333333333333, N'Æåâàòåëüíàÿ ðåçèíêà Mentos Pure White âêóñ Êëóáíèêà, 15,5 ã', 23);
+SET IDENTITY_INSERT [Tables].[products] OFF;
+
+INSERT INTO [Tables].[product_attributes] ([product_id], [attribute_id])
+VALUES (2, 2), (2, 3), (3, 2), (3, 3);
+
+INSERT INTO [Tables].[product_values] ([product_id], [attribute_id], [value])
+-- Äàòà èçãîòîâëåíèÿ; ñðîê ãîäíîñòè
+VALUES (2, 2, N'1900-01-01'), (2, 3, N'3650'), (3, 2, N'1900-01-01'), (3, 3, N'30');
+
+SET IDENTITY_INSERT [Tables].[suppliers] ON;
+INSERT INTO [Tables].[suppliers]([id], [name], [telephone_number], [address])
+VALUES
+  (1, N'First supplier', N'First telephone number', N'First address'),
+  (2, N'Second supplier', N'Second telephone number', N'Second address'),
+  (3, N'Thied supplier', N'Third telephone number', N'Third address');
+SET IDENTITY_INSERT [Tables].[suppliers] OFF;
+
+SET IDENTITY_INSERT [Tables].[product_inflow_records] ON;
+INSERT INTO [Tables].[product_inflow_records] ([id], [product_id], [barcode], [supplier_id], [count], [full_price], [datetime])
+VALUES
+  (1, 1, 1111111111111, 1, 5, 10, N'1900-01-01'),
+  (2, 1, 1111111111111, 2, 5, 5, N'1900-01-01'),
+  (3, 2, 2222222222222, 3, 5, 10, N'1900-01-01');
+SET IDENTITY_INSERT [Tables].[product_inflow_records] OFF;
+
+SET IDENTITY_INSERT [Tables].[product_outflow_records] ON;
+INSERT INTO [Tables].[product_outflow_records] ([id], [product_id], [barcode], [count], [datetime])
+VALUES
+  (2, 1, 1111111111111, 2, N'1900-01-01'),
+  (3, 1, 1111111111111, 3, N'1900-01-02')
+SET IDENTITY_INSERT [Tables].[product_outflow_records] OFF;
+
+SET IDENTITY_INSERT [Tables].[write_off_reasons] ON;
+INSERT INTO [Tables].[write_off_reasons]([id], [name])
+VALUES
+  (1, N'Âûøåë ñðîê ãîäíîñòè'),
+  (2, N'Áðàê ïðîäóêöèè');
+SET IDENTITY_INSERT [Tables].[write_off_reasons] OFF;
+
+SET IDENTITY_INSERT [Tables].[product_write_off_records] ON;
+INSERT INTO [Tables].[product_write_off_records] ([id], [product_id], [barcode], [reason_id], [count], [datetime])
+VALUES
+  (1, 1, 1111111111111, 2, 2, N'1900-01-03')
+SET IDENTITY_INSERT [Tables].[product_write_off_records] OFF;
@@ -0,0 +1,8 @@
+USE [Database]
+
+-- Äîïîëíèòåëüíàÿ ïåðåìåííàÿ, íåîáõîäèìàÿ äëÿ îòñëåæèâàíèÿ
+-- ïîñëäíåãî ñãåíåðèðîâàííîãî çíà÷åíèÿ áàðêîäà
+SET IDENTITY_INSERT [Tables].[additional_variables] ON;
+INSERT INTO [Tables].[additional_variables]([id], [name], [value])
+VALUES(1, N'last_barcode', N'-1');
+SET IDENTITY_INSERT [Tables].[additional_variables] OFF;
@@ -0,0 +1,12 @@
+USE [Database]
+
+-- Ñòàíäàðòíûå àòðèáóòû òîâàðîâ, êîòîðûå áóäóò èñïîëüçîâàòüñÿ
+-- â òåñòèðîâàíèè íà îñíîâå èññëåäîâàíèé ïðåäìåòíîé îáëàñòè
+SET IDENTITY_INSERT [Tables].[attributes] ON;
+INSERT INTO [Tables].[attributes]([id], [name])
+VALUES
+  (1, 'Article number'),
+  (2, 'Barcode'),
+  (3, 'Date of manufacture'),
+  (4, 'Expiration date');
+SET IDENTITY_INSERT [Tables].[attributes] OFF;
@@ -0,0 +1,65 @@
+USE [Database]
+
+DECLARE
+ @article_number_attribute_id AS INT,
+ @barcode_attribute_id AS INT,
+ @date_of_manufacture_attribute_id AS INT,
+ @expiration_date_attribute_id AS INT;
+
+SET @article_number_attribute_id =
+ (SELECT [id]
+  FROM [Tables].[attributes] 
+  WHERE [name] = N'Article number');
+SET @barcode_attribute_id =
+ (SELECT [id]
+  FROM [Tables].[attributes] 
+  WHERE [name] = N'Barcode');
+SET @date_of_manufacture_attribute_id =
+ (SELECT [id]
+  FROM [Tables].[attributes] 
+  WHERE [name] = N'Date of manufacture');
+SET @expiration_date_attribute_id =
+ (SELECT [id]
+  FROM [Tables].[attributes] 
+  WHERE [name] = N'Expiration date');
+
+DECLARE
+  @product_id_1 AS INT,
+  @product_id_2 AS INT,
+  @product_id_3 AS INT,
+  @product_id_4 AS INT;
+
+EXECUTE [Procedures].[insert_product] 
+  @name = N'Hobby World Êàðòî÷íàÿ èãðà Óæàñ Àðêõýìà',
+  @product_type_id = 9, -- Íàñòîëüíûå èãðû
+  @barcode_attribute_id = @barcode_attribute_id,
+  @inserted_product_id = @product_id_1 OUTPUT;
+EXECUTE [Procedures].[insert_product]
+  @name = N'Æåâàòåëüíàÿ ðåçèíêà Orbit Mega Êëóáíèêà, áåç ñàõàðà, 16,4 ã',
+  @product_type_id = 23, -- Æåâàòåëüíàÿ ðåçèíêà
+  @barcode_attribute_id = @barcode_attribute_id,
+  @inserted_product_id = @product_id_2 OUTPUT;
+EXECUTE [Procedures].[insert_product]
+  @name = N'Æåâàòåëüíàÿ ðåçèíêà Mentos Pure White âêóñ Êëóáíèêà, 15,5 ã',
+  @product_type_id = 23, -- Æåâàòåëüíàÿ ðåçèíêà
+  @barcode_attribute_id = @barcode_attribute_id,
+  @inserted_product_id = @product_id_3 OUTPUT;
+EXECUTE [Procedures].[insert_product]
+  @name = N'Ïå÷åíüå Oreo, ñ êàêàî è íà÷èíêîé ñî âêóñîì êëóáíèêè, 228 ã',
+  @product_type_id = 22, -- Ïå÷åíüå
+  @barcode_attribute_id = @barcode_attribute_id,
+  @inserted_product_id = @product_id_4 OUTPUT;
+
+INSERT INTO [Tables].[product_attributes]([product_id], [attribute_id])
+VALUES
+  (@product_id_2, 3),
+  (@product_id_2, 4),
+  (@product_id_3, 3),
+  (@product_id_3, 4);
+
+INSERT INTO [Tables].[product_values]([product_id], [attribute_id], [value])
+VALUES
+  (2, 3, N'1900-01-01'), -- Äàòà èçãîòîâëåíèÿ
+  (2, 4, N'3650'),       -- Ñðîê ãîäíîñòè
+  (3, 3, N'1900-01-01'),
+  (3, 4, N'30');
@@ -0,0 +1,16 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[products_join_product_types]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[products_join_product_types];
+GO
+
+CREATE PROCEDURE [Procedures].[products_join_product_types]
+AS
+ SELECT [P].[id] AS [product_id], [P].[barcode],
+        [P].[product_type_id] AS [product_type_id],
+        [P].[name] AS [product_name],
+        [PT].[name] AS [product_type_name]
+ FROM [Tables].[products] AS [P]
+ JOIN [Tables].[product_types] AS [PT]
+ ON [PT].[id] = [P].[product_type_id]
+GO
@@ -0,0 +1,14 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[rename_product]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[rename_product];
+GO
+CREATE PROCEDURE [Procedures].[rename_product]
+  @product_id AS INT,
+  @name       AS NVARCHAR(128)
+AS
+ UPDATE [Tables].[products]
+ SET
+   [name] = @name
+ WHERE [id] = @product_id;
+GO
@@ -0,0 +1,14 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[rename_product_type]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[rename_product_type];
+GO
+CREATE PROCEDURE [Procedures].[rename_product_type]
+  @product_type_id AS INT,
+  @name            AS NVARCHAR(128)
+AS
+ UPDATE [Tables].[product_types]
+ SET
+   [name] = @name
+ WHERE [id] = @product_type_id;
+GO
@@ -0,0 +1,27 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[specify_product_type]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[specify_product_type];
+GO
+CREATE PROCEDURE [Procedures].[specify_product_type]
+  @parent_id INT = NULL,
+  @name NVARCHAR(128),
+  @inserted_product_type_id AS INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+  SET NOCOUNT ON;
+  
+  INSERT INTO [Tables].[product_types]([parent_id], [name])
+  VALUES(DEFAULT, @name);
+  SET @inserted_product_type_id = SCOPE_IDENTITY();
+
+  UPDATE [Tables].[products]
+  SET [product_type_id] = @inserted_product_type_id
+  WHERE [product_type_id] = @parent_id;
+  
+  UPDATE [Tables].[product_types]
+  SET [parent_id] = @parent_id
+  WHERE [id] = @inserted_product_type_id
+
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,18 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_barcode]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_barcode];
+GO
+CREATE PROCEDURE [Procedures].[update_barcode]
+  @product_id INT,
+  @barcode    BIGINT
+AS
+  BEGIN TRANSACTION;
+  SET NOCOUNT ON;
+
+  UPDATE [Tables].[products]
+  SET [barcode] = @barcode
+  WHERE [id] = @product_id
+
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,22 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[get_next_barcode]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[get_next_barcode];
+GO
+CREATE PROCEDURE [Procedures].[get_next_barcode]
+  @next_barcode AS BIGINT OUTPUT
+AS
+  BEGIN TRANSACTION;
+  SET NOCOUNT ON;
+
+  SET @next_barcode = (
+    SELECT CAST([value] AS BIGINT) + 1
+    FROM [Tables].[additional_variables]
+    WHERE [id] = 1
+  );
+
+  UPDATE [Tables].[additional_variables]
+  SET [value] = CAST(@next_barcode AS NVARCHAR(13))
+  WHERE [id] = 1;
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,79 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_or_update_barcode]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_or_update_barcode];
+GO
+CREATE PROCEDURE [Procedures].[insert_or_update_barcode]
+  @product_id                    AS INT,
+  @barcode_attribute_id          AS INT,
+  @barcode                       AS BIGINT = NULL,
+  @record_id AS INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    SET NOCOUNT ON;
+
+	IF @barcode IS NOT NULL AND EXISTS(
+      SELECT *
+      FROM [Tables].[product_values]
+      WHERE [attribute_id] = @barcode_attribute_id
+          AND CAST([value] AS BIGINT) = @barcode
+    )
+    BEGIN;
+	  IF @@TRANCOUNT > 0
+	    ROLLBACK TRANSACTION;
+      THROW 53000, 'The barcode is not unique', 1;
+    END;
+
+	CREATE TABLE [Tables].[#existing_hash_codes](
+      [hash_code] NVARCHAR(13) 
+    );
+    INSERT INTO [#existing_hash_codes]([hash_code])
+    SELECT [value]
+    FROM [Tables].[product_attributes] AS [pa]
+    JOIN [Tables].[product_values] AS [pv]
+       ON [pv].[product_id] = [pa].[product_id]
+          AND [pv].[attribute_id] = [pa].[attribute_id]
+    WHERE [pa].[attribute_id] = @barcode_attribute_id
+    
+	-- begin creating barcode
+    IF @barcode IS NULL
+      EXECUTE [Procedures].[get_next_barcode] @next_barcode = @barcode OUTPUT;
+    
+    WHILE EXISTS(
+      SELECT *
+      FROM [#existing_hash_codes]
+      WHERE CAST([hash_code] AS BIGINT) = @barcode
+    )
+	OR EXISTS(
+	  SELECT *
+      FROM [Tables].[product_values]
+      WHERE [attribute_id] = @barcode_attribute_id
+        AND CAST([value] AS BIGINT) = @barcode
+	)
+    BEGIN
+      SET @barcode += 1;
+    END
+	-- end creating barcode
+
+	IF EXISTS(
+      SELECT *
+      FROM [Tables].[product_values]
+      WHERE [attribute_id] = @barcode_attribute_id
+	    AND [product_id] = @product_id
+	    AND [value] IS NOT NULL
+    ) 
+	BEGIN
+	  UPDATE [Tables].[product_values]
+      SET @record_id = [id],
+	  [value] = [Functions].[to_barcode_ean_13](@barcode)
+	  WHERE [product_id] = @product_id
+	    AND [attribute_id] = @barcode_attribute_id;
+	END
+	ELSE BEGIN
+	  INSERT INTO [Tables].[product_values]([product_id], [attribute_id], [value])
+      VALUES(@product_id, @barcode_attribute_id, [Functions].[to_barcode_ean_13](@barcode));
+      SET @record_id = SCOPE_IDENTITY();
+	END
+    
+    COMMIT TRANSACTION;
+GO
@@ -0,0 +1,16 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[product-properties]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[product-properties];
+GO
+CREATE PROCEDURE [Procedures].[product-properties]
+  @product_id AS INT
+AS
+SELECT [A].[id], [A].[name], [PV].[value]
+FROM [Tables].[product_attributes] AS [PA]
+LEFT OUTER JOIN [Tables].[product_values] AS [PV]
+ON [PV].[product_id] = [PA].[product_id]
+   AND [PV].[attribute_id] = [PA].[attribute_id]
+JOIN [Tables].[attributes] AS [A]
+ON [A].[id] = [PA].[attribute_id]
+WHERE [PA].[product_id] = @product_id;
@@ -0,0 +1,31 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[select_expired_products]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[select_expired_products];
+GO
+CREATE PROCEDURE [Procedures].[select_expired_products]
+  @date_of_manufacture_attribute_id AS INT ,
+  @expiration_date_attribute_id     AS INT ,
+  @actual_date                      AS DATE 
+AS
+WITH [values] AS (
+    SELECT [p].[id], [pa].[attribute_id], [pv].[value] 
+    FROM [Tables].[products] AS [p]
+    JOIN [Tables].[product_attributes] AS [pa]
+    ON [pa].[product_id] = [p].[id]
+    JOIN [Tables].[product_values] AS [pv]
+    ON [pv].[attribute_id] = [pa].[attribute_id]
+       AND [pv].[product_id] = [pa].[product_id]
+    WHERE [pa].[attribute_id] IN (@date_of_manufacture_attribute_id, @expiration_date_attribute_id)
+)
+SELECT [date_of_manufacture_attributes].[id]
+FROM [values] AS date_of_manufacture_attributes
+JOIN [values] AS expiration_date_attributes
+  ON [expiration_date_attributes].[id] = [date_of_manufacture_attributes].[id]
+     AND [expiration_date_attributes].[attribute_id] = @expiration_date_attribute_id
+WHERE [date_of_manufacture_attributes].[attribute_id] = @date_of_manufacture_attribute_id
+      AND DATEADD(
+          DAY, CAST([expiration_date_attributes].[value] AS INT),
+        CAST([date_of_manufacture_attributes].[value] AS DATE)
+        ) < @actual_date;
+GO
@@ -0,0 +1,37 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[tree_positions]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[tree_positions];
+GO
+
+CREATE PROCEDURE [Procedures].[tree_positions]
+  @product_type_id INT
+AS
+IF OBJECT_ID('[tempdb].[dbo].[#product_types_row_number]') IS NOT NULL
+  DROP TABLE [dbo].[#product_types_row_number];
+CREATE TABLE [#product_types_row_number]
+(
+  [id] INT NOT NULL,
+  [parent_id] INT,
+  [row_number] INT NOT NULL
+);
+INSERT INTO [#product_types_row_number]
+  SELECT [id], [parent_id], ROW_NUMBER() OVER (PARTITION BY [parent_id] ORDER BY [parent_id], [id] ASC) - 1
+  FROM [Tables].[product_types];
+
+WITH [result] AS  (
+SELECT
+  [id], [parent_id], [row_number]
+FROM [#product_types_row_number]
+WHERE [id] = @product_type_id
+
+UNION ALL
+
+SELECT [PT].[id], [PT].[parent_id], [PT].[row_number]
+FROM [result] AS [R]
+JOIN [#product_types_row_number] AS [PT]
+ON [PT].[id] = [R].[parent_id]
+)
+SELECT [id], [parent_id], [row_number]
+FROM [result]
+ORDER BY [id];
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product];
+GO
+CREATE PROCEDURE [Procedures].[insert_product]
+  @name                 AS NVARCHAR(128),
+  @product_type_id      AS INT,
+  @barcode              AS BIGINT,
+  @inserted_product_id  AS INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[products]([barcode], [name], [product_type_id])
+    VALUES(@barcode, @name, @product_type_id);
+    SET @inserted_product_id = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,14 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product_attribute]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product_attribute];
+GO
+CREATE PROCEDURE [Procedures].[insert_product_attribute]
+  @product_id   AS INT,
+  @attribute_id AS INT 
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[product_attributes]([product_id], [attribute_id])
+    VALUES (@product_id, @attribute_id);
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,26 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product_type]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product_type];
+GO
+CREATE PROCEDURE [Procedures].[insert_product_type]
+  @parent_id                AS INT = NULL,
+  @name                     AS NVARCHAR(128),
+  @inserted_product_type_id AS INT = NULL OUTPUT
+AS
+  BEGIN TRY
+    INSERT INTO [Tables].[product_types]([parent_id], [name])
+    VALUES(@parent_id, @name);
+	SET @inserted_product_type_id = SCOPE_IDENTITY();
+  END TRY
+  BEGIN CATCH
+      DECLARE @message NVARCHAR(128);
+      SET @message =
+      'Cannot create [a] subgroup. Cause: the group '
+      + '(name: "'+ (SELECT [name] FROM [Tables].[product_types] WHERE [id] = @parent_id) +'"; [id]:'+ LTRIM(STR(@parent_id)) +')'
+      + ' is referenced by [a] product object.';
+    PRINT 'Actual error number: ' + CAST(ERROR_NUMBER() AS NVARCHAR(10));
+      PRINT 'Actual line number: ' + CAST(ERROR_LINE() AS NVARCHAR(10));
+      THROW 51000, @message, 1;
+  END CATCH
+GO
@@ -0,0 +1,15 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product_value]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product_value];
+GO
+CREATE PROCEDURE [Procedures].[insert_product_value]
+  @product_id   AS INT,
+  @attribute_id AS INT,
+  @value        AS NVARCHAR(128)
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[product_values]([product_id], [attribute_id], [value])
+    VALUES (@product_id, @attribute_id, @value);
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,20 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product];
+GO
+CREATE PROCEDURE [Procedures].[insert_product]
+  @name                 AS NVARCHAR(128),
+  @product_type_id      AS INT,
+  @barcode_attribute_id AS INT,
+  @inserted_product_id  AS INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[products]([barcode], [name], [product_type_id])
+    VALUES(@name, @product_type_id);
+    SET @inserted_product_id = SCOPE_IDENTITY();
+    
+    INSERT INTO [Tables].[product_attributes]([product_id], [attribute_id])
+    VALUES (@inserted_product_id, @barcode_attribute_id);
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,23 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_product_type]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_product_type];
+GO
+CREATE PROCEDURE [Procedures].[delete_product_type]
+  @product_type_id AS INT
+AS
+  DECLARE @newParentId INT;
+  SET @newParentId = (
+    SELECT [parent_id]
+    FROM [Tables].[product_types]
+	WHERE [id] = @product_type_id
+  )
+  BEGIN TRANSACTION;
+  UPDATE [Tables].[product_types]
+  SET [parent_id] = @newParentId
+  WHERE [parent_id] = @product_type_id
+
+  DELETE FROM [Tables].[product_types]
+  WHERE [id] = @product_type_id;
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_product]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_product];
+GO
+CREATE PROCEDURE [Procedures].[delete_product]
+  @product_id AS INT
+AS
+  BEGIN TRANSACTION;
+  DELETE FROM [Tables].[product_values]
+  WHERE [product_id] = @product_id;
+  DELETE FROM [Tables].[product_attributes]
+  WHERE [product_id] = @product_id;
+  DELETE FROM [Tables].[products]
+  WHERE [id] = @product_id;
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,15 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_attribute]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_attribute];
+GO
+CREATE PROCEDURE [Procedures].[insert_attribute]
+  @name                  AS NVARCHAR(128),
+  @inserted_attribute_id AS INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[attributes]([name])
+    VALUES (@name);
+    SET @inserted_attribute_id = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_price_history_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_price_history_record];
+GO
+CREATE PROCEDURE [Procedures].[insert_price_history_record]
+  @product_id AS INT,
+  @datetime   AS DATETIME,
+  @price      AS MONEY,
+  @inserted_price_history_record_id INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[price_history_records]([product_id], [datetime], [price])
+    VALUES (@product_id, @datetime, @price);
+    SET @inserted_price_history_record_id = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,20 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product_inflow_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product_inflow_record];
+GO
+CREATE PROCEDURE [Procedures].[insert_product_inflow_record]
+  @barcode_product_value_id AS INT,
+  @barcode_product_attribute_id AS INT,
+  @supplier_id AS INT,
+  @count AS INT,
+  @full_price AS INT,
+  @datetime AS DATETIME,
+  @inserted_product_inflow_record_id INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+  INSERT INTO [Tables].[product_inflow_records]([barcode_product_value_id], [supplier_id], [count], [full_price], [datetime])
+  VALUES (@barcode_product_value_id, @supplier_id, @count, @full_price, @datetime);
+  SET @inserted_product_inflow_record_id = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product_outflow_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product_outflow_record];
+GO
+CREATE PROCEDURE [Procedures].[insert_product_outflow_record]
+  @barcode_product_outflow_record_id AS INT,
+  @count AS INT,
+  @datetime AS DATETIME,
+  @inserted_product_outflow_records INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[product_outflow_records]([barcode_product_value_id], [count], [datetime])
+    VALUES (@barcode_product_outflow_record_id, @count, @datetime);
+    SET @inserted_product_outflow_records = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product_value]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product_value];
+GO
+CREATE PROCEDURE [Procedures].[insert_product_value]
+  @product_id   AS INT,
+  @attribute_id AS INT,
+  @value        AS NVARCHAR(128),
+  @inserted_product_value_id INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[product_values]([product_id], [attribute_id], [value])
+    VALUES (@product_id, @attribute_id, @value);
+    SET @inserted_product_value_id = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,18 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_product_write_off_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_product_write_off_record];
+GO
+CREATE PROCEDURE [Procedures].[insert_product_write_off_record]
+  @barcode_product_value_id             AS INT,
+  @reason_id                            AS INT,
+  @count                                AS INT,
+  @datetime                             AS DATETIME,
+  @inserted_product_write_off_record_id AS INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[product_write_off_records]([barcode_product_value_id], [reason_id], [count], [datetime])
+    VALUES (@barcode_product_value_id, @reason_id, @count, @datetime);
+    SET @inserted_product_write_off_record_id = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_supplier]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_supplier];
+GO
+CREATE PROCEDURE [Procedures].[insert_supplier]
+  @name					AS NVARCHAR(128),
+  @address				AS NVARCHAR(128),
+  @telephone_number		AS NVARCHAR(128),
+  @inserted_supplier_id AS INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[suppliers]([name], [address], [telephone_number])
+    VALUES (@name, @address, @telephone_number);
+    SET @inserted_supplier_id = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,15 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[insert_write_off_reason]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[insert_write_off_reason];
+GO
+CREATE PROCEDURE [Procedures].[insert_write_off_reason]
+  @name                         AS NVARCHAR(128),
+  @inserted_write_off_reason_id AS INT = NULL OUTPUT
+AS
+  BEGIN TRANSACTION;
+    INSERT INTO [Tables].[write_off_reasons]([name])
+    VALUES (@name);
+    SET @inserted_write_off_reason_id = SCOPE_IDENTITY();
+  COMMIT TRANSACTION;
+GO
@@ -0,0 +1,11 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_product_inflow_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_product_inflow_record];
+GO
+CREATE PROCEDURE [Procedures].[delete_product_inflow_record]
+  @product_inflow_record_id AS INT
+AS
+  DELETE FROM [Tables].[product_inflow_records]
+  WHERE [id] = @product_inflow_record_id;
+GO
@@ -0,0 +1,11 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_product_type]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_product_type];
+GO
+CREATE PROCEDURE [Procedures].[delete_product_type]
+  @product_type_id AS INT
+AS
+  DELETE FROM [Tables].[product_types]
+  WHERE [id] = @product_type_id;
+GO
@@ -0,0 +1,11 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_product_write_off_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_product_write_off_record];
+GO
+CREATE PROCEDURE [Procedures].[delete_product_write_off_record]
+  @product_write_off_record_id AS INT
+AS
+  DELETE FROM [Tables].[product_write_off_records]
+  WHERE [id] = @product_write_off_record_id;
+GO
@@ -0,0 +1,11 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_attribute]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_attribute];
+GO
+CREATE PROCEDURE [Procedures].[delete_attribute]
+  @attribute_id AS INT
+AS
+  DELETE FROM [Tables].[attributes]
+  WHERE [id] = @attribute_id;
+GO
@@ -0,0 +1,11 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_price_history_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_price_history_record];
+GO
+CREATE PROCEDURE [Procedures].[delete_price_history_record]
+  @price_history_record_id AS INT
+AS
+  DELETE FROM [Tables].[price_history_records]
+  WHERE [id] = @price_history_record_id;
+GO
@@ -0,0 +1,13 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_product_attribute]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_product_attribute];
+GO
+CREATE PROCEDURE [Procedures].[delete_product_attribute]
+  @product_id AS INT,
+  @product_attribute_id AS INT
+AS
+  DELETE FROM [Tables].[product_attributes]
+  WHERE [product_id] = @product_attribute_id
+        AND [attribute_id] = @product_attribute_id
+GO
@@ -0,0 +1,11 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_product_outflow_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_product_outflow_record];
+GO
+CREATE PROCEDURE [Procedures].[delete_product_outflow_record]
+  @product_outflow_record_id AS INT
+AS
+  DELETE FROM [Tables].[product_outflow_records]
+  WHERE [id] = @product_outflow_record_id;
+GO
@@ -0,0 +1,11 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_product_value]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_product_value];
+GO
+CREATE PROCEDURE [Procedures].[delete_product_value]
+  @product_value_id AS INT
+AS
+  DELETE FROM [Tables].[product_values]
+  WHERE [id] = @product_value_id;
+GO
@@ -0,0 +1,11 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[delete_supplier]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[delete_supplier];
+GO
+CREATE PROCEDURE [Procedures].[delete_supplier]
+  @supplier_id AS INT
+AS
+  DELETE FROM [Tables].[suppliers]
+  WHERE [id] = @supplier_id;
+GO
@@ -0,0 +1,13 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_attribute]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_attribute];
+GO
+CREATE PROCEDURE [Procedures].[update_attribute]
+  @attribute_id AS INT,
+  @name         AS NVARCHAR(128)
+AS
+  UPDATE [Tables].[attributes]
+  SET [name] = @name
+  WHERE [id] = @attribute_id;
+GO
@@ -0,0 +1,18 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_price_history_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_price_history_record];
+GO
+CREATE PROCEDURE [Procedures].[update_price_history_record]
+  @price_history_record_id AS INT,
+  @product_id              AS INT,
+  @datetime                AS DATETIME,
+  @price                   AS MONEY
+AS
+  UPDATE [Tables].[price_history_records]
+  SET
+   [product_id] = @product_id,
+   [datetime] = @datetime,  
+   [price] = @price
+  WHERE [id] = @price_history_record_id;
+GO
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_product]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_product];
+GO
+CREATE PROCEDURE [Procedures].[update_product]
+  @product_id           AS INT,
+  @name                 AS NVARCHAR(128),
+  @product_type_id      AS INT,
+  @barcode_attribute_id AS INT
+AS
+ UPDATE [Tables].[products]
+ SET
+   [name] = @name,                
+   [product_type_id] = @product_type_id
+ WHERE [id] = @product_id;
+GO
@@ -0,0 +1,22 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_product_inflow_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_product_inflow_record];
+GO
+CREATE PROCEDURE [Procedures].[update_product_inflow_record]
+  @product_inflow_record_id     AS INT,
+  @barcode_product_value_id     AS INT,
+  @supplier_id                  AS INT,
+  @count                        AS INT,
+  @full_price                   AS INT,
+  @datetime                     AS DATETIME
+AS
+  UPDATE [Tables].[product_inflow_records]
+  SET
+    [barcode_product_value_id] = @barcode_product_value_id, 
+	[supplier_id] = @supplier_id,
+	[count] = @count,                       
+	[full_price] = @full_price,                  
+	[datetime] = @datetime
+  WHERE [id] = @product_inflow_record_id;
+GO
@@ -0,0 +1,19 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_product_outflow_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_product_outflow_record];
+GO
+CREATE PROCEDURE [Procedures].[update_product_outflow_record]
+  @product_outflow_record_id         AS INT,
+  @barcode_product_value_record_id AS INT,
+  @count                             AS INT,
+  @datetime                          AS INT,
+  @inserted_product_outflow_records  AS INT = NULL OUTPUT            
+AS
+  UPDATE [Tables].[product_outflow_records]
+  SET
+    [barcode_product_value_id] = @barcode_product_value_record_id,
+	[count] = @count,                            
+	[datetime] = @datetime
+  WHERE [id] = @product_outflow_record_id;
+GO
@@ -0,0 +1,17 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_product_type]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_product_type];
+GO
+CREATE PROCEDURE [Procedures].[update_product_type]
+  @product_type_id AS INT,
+  @parent_id       AS INT = NULL,
+  @name            AS NVARCHAR(128)
+AS
+ UPDATE [Tables].[product_types]
+ SET
+   [parent_id] = @parent_id,
+   [name] = @name
+ WHERE [id] = @product_type_id;
+GO
+
@@ -0,0 +1,18 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_product_value]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_product_value];
+GO
+CREATE PROCEDURE [Procedures].[update_product_value]
+  @product_value_id AS INT,
+  @product_id       AS INT,
+  @attribute_id     AS INT,
+  @value            AS NVARCHAR(128)
+AS
+  UPDATE [Tables].[product_values]
+  SET
+    [product_id] = @product_id,
+	[attribute_id] = @attribute_id,
+	[value] = @value
+  WHERE [id] = @product_value_id;
+GO
@@ -0,0 +1,20 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_product_write_off_record]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_product_write_off_record];
+GO
+CREATE PROCEDURE [Procedures].[update_product_write_off_record]
+  @product_write_off_record_id AS INT,
+  @barcode_product_value_id    AS INT,
+  @reason_id                   AS INT,
+  @count                       AS INT,
+  @datetime                    AS DATETIME
+AS
+   UPDATE [Tables].[product_write_off_records]
+   SET
+    [barcode_product_value_id] = @barcode_product_value_id,
+	[reason_id] = @reason_id, 
+	[count] = @count, 
+	[datetime] = @datetime
+   WHERE [id] = @product_write_off_record_id;
+GO
@@ -0,0 +1,18 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_supplier]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_supplier];
+GO
+CREATE PROCEDURE [Procedures].[update_supplier]
+  @supplier_id      AS INT,
+  @name			    AS NVARCHAR(128),
+  @address		    AS NVARCHAR(128),
+  @telephone_number	AS NVARCHAR(128)
+AS
+  UPDATE [Tables].[suppliers]
+  SET 
+   [name] = @name,				
+   [address] = @address,			
+   [telephone_number] = @telephone_number
+  WHERE [id] = @supplier_id;
+GO
@@ -0,0 +1,13 @@
+USE [Database]
+
+IF OBJECT_ID('[Procedures].[update_write_off_reason]', 'P') IS NOT NULL
+  DROP PROCEDURE [Procedures].[update_write_off_reason];
+GO
+CREATE PROCEDURE [Procedures].[update_write_off_reason]
+  @write_off_reason_id AS INT,
+  @name AS NVARCHAR(128)
+AS
+  UPDATE [Tables].[write_off_reasons]
+  SET [name] = @name
+  WHERE [id] = @write_off_reason_id;
+GO
@@ -0,0 +1,8 @@
+@echo off
+
+sqlcmd -S %SSMS_SERVER_NAME% -U %SSMS_USER_NAME% -P %SSMS_USER_PASSWORD% -i ^
+.\tests\test-1-Database.sql ^
+.\tests\test-2-Database.sql ^
+.\tests\test-3-Database.sql ^
+.\tests\test-4-Database.sql ^
+-r1 1> NUL
@@ -0,0 +1,15 @@
+USE [Database]
+
+SELECT [E].[id], [E].[name], [T].[name], [A].[attribute_id], [AN].[name], [V].[value] 
+FROM [Tables].[products] AS [E]
+JOIN [Tables].[product_types] AS [T]
+  ON [T].[id] = [E].[product_type_id]
+JOIN [Tables].[product_attributes] AS [A]
+  ON [A].[product_id] = [E].[id]
+JOIN [Tables].[attributes] AS [AN]
+  ON [AN].[id] = [A].attribute_id
+LEFT JOIN [Tables].[product_values] AS [V]
+  ON [V].[product_id] = [A].[product_id]
+  AND [V].[attribute_id] = [A].[attribute_id]
+
+EXECUTE [Procedures].[select_expired_products] @date_of_manufacture_attribute_id, @expiration_date_attribute_id, N'19000201'
@@ -0,0 +1,44 @@
+USE [Database]
+
+--<< 1
+SELECT [p].[id], [p].[name], [pt].[id], [pt].[name]
+FROM [Tables].[product_types] AS [pt]
+LEFT JOIN [Tables].[products] AS [p]
+  ON [p].[product_type_id] = [pt].[id]
+
+BEGIN TRY
+  EXECUTE [Procedures].[insert_product_type] 23, N'Orbit';
+END TRY
+BEGIN CATCH
+  PRINT N'The error occurred - the right case'
+END CATCH
+
+--<< 2
+EXECUTE [Procedures].[specify_product_type] 23, N'Orbit';
+
+SELECT [p].[id], [p].[name], [pt].[id], [pt].[name]
+FROM [Tables].[product_types] AS [pt]
+LEFT JOIN [Tables].[products] AS [p]
+  ON [p].[product_type_id] = [pt].[id]
+
+--<< 3
+EXECUTE [Procedures].[insert_product_type] 23, N'Mentos';
+
+SELECT [p].[id], [p].[name], [pt].[id], [pt].[name]
+FROM [Tables].[product_types] AS [pt]
+LEFT JOIN [Tables].[products] AS [p]
+  ON [p].[product_type_id] = [pt].[id]
+
+--<< 4
+ UPDATE [Tables].[products]
+SET [product_type_id] = (
+  SELECT [id] 
+  FROM [Tables].[product_types] 
+  WHERE [name] = N'Mentos'
+)
+WHERE UPPER([name]) LIKE N'%MENTOS%';
+
+SELECT [p].[id], [p].[name], [pt].[id], [pt].[name]
+FROM [Tables].[product_types] AS [pt]
+LEFT JOIN [Tables].[products] AS [p]
+  ON [p].[product_type_id] = [pt].[id]
@@ -0,0 +1,13 @@
+USE [Database]
+
+SELECT [p].[name] AS [product_name], [a].[name] AS [attribute_name],
+	ISNULL(TRY_CONVERT(NVARCHAR(128), TRY_PARSE([pv].[value] AS datetime), 103), [pv].[value])
+FROM [Tables].[product_attributes] AS [pa]
+JOIN [Tables].[attributes] AS [a]
+  ON [a].[id] = [pa].[attribute_id]
+JOIN [Tables].[products] AS [p]
+  ON [p].[id] = [pa].[product_id]
+LEFT OUTER JOIN [Tables].[product_values] AS [pv]
+  ON [pv].[product_id] =  [pa].[product_id]
+     AND [pv].[attribute_id] = [pa].[attribute_id]
+ORDER BY [p].[id];
@@ -0,0 +1,4 @@
+USE [Database]
+
+SELECT [Functions].[does_barcode_exist](1111111111111);
+SELECT [Functions].[does_barcode_exist](4444444444444);
@@ -0,0 +1,153 @@
+USE [Database]
+GO
+
+IF OBJECT_ID(N'[Functions].[product_information]') IS NOT NULL
+  DROP FUNCTION [Functions].[product_information];
+GO
+CREATE FUNCTION [Functions].[product_information] ()
+RETURNS TABLE
+AS
+  RETURN
+  SELECT [E].[id], [E].[name] AS [product_name], [T].[name] AS [type_name], [A].[attribute_id], [AN].[name], [V].[value] 
+  FROM [Tables].[products] AS [E]
+  JOIN [Tables].[product_types] AS [T]
+    ON [T].[id] = [E].[product_type_id]
+  JOIN [Tables].[product_attributes] AS [A]
+    ON [A].[product_id] = [E].[id]
+  JOIN [Tables].[attributes] AS [AN]
+    ON [AN].[id] = [A].[attribute_id]
+  LEFT JOIN [Tables].[product_values] AS [V]
+    ON [V].[product_id] = [A].[product_id]
+    AND [V].[attribute_id] = [A].[attribute_id]
+GO
+
+IF OBJECT_ID(N'[Functions].[product_inflow_records_information]') IS NOT NULL
+  DROP FUNCTION [Functions].[product_inflow_records_information];
+GO
+CREATE FUNCTION [Functions].[product_inflow_records_information] ()
+RETURNS TABLE
+AS
+RETURN
+  SELECT [pir].[id], [V].[value], [S].[name], [pir].[count], [pir].[full_price], [pir].[datetime]
+  FROM [Tables].[product_inflow_records] AS [pir]
+  JOIN [Tables].[product_values] AS [V]
+    ON [V].[id] = [pir].[barcode_product_value_id]
+  JOIN [Tables].[suppliers] AS [S]
+    ON [S].[id] = [pir].supplier_id
+GO
+
+--<< 0
+SELECT *
+FROM [Functions].[product_information]();
+
+--<< 1
+DECLARE @first_barcode_attribute_id AS INT,
+        @second_barcode_attribute_id AS INT;
+
+DECLARE @barcode_attribute_id AS INT;
+SET @barcode_attribute_id =
+ (SELECT [id]
+  FROM [Tables].[attributes] 
+  WHERE [name] = N'Barcode');
+
+EXECUTE [Procedures].[insert_barcode]
+@product_id = 1, 
+@barcode_attribute_id = @barcode_attribute_id,
+@barcode = N'7145621037931',
+@inserted_barcode_attribute_id = @first_barcode_attribute_id OUTPUT;
+
+SELECT *
+FROM [Functions].[product_information]();
+
+--<< 2
+BEGIN TRY
+  EXECUTE [Procedures].[insert_barcode] 1, @barcode_attribute_id, N'7145621037931';
+END TRY
+BEGIN CATCH -- The barcode is not unique
+  PRINT N'The error occurred - the right case'
+END CATCH
+
+BEGIN TRY
+  EXECUTE [Procedures].[insert_barcode] 1, @barcode_attribute_id, N'0289713447192';
+END TRY
+BEGIN CATCH -- The barcode is already exsist
+  PRINT N'The error occurred - the right case'
+END CATCH
+
+EXECUTE [Procedures].[insert_barcode] 2, @barcode_attribute_id, N'0000000000000', @inserted_barcode_attribute_id = @second_barcode_attribute_id OUTPUT;
+EXECUTE [Procedures].[insert_barcode] 3, @barcode_attribute_id;
+EXECUTE [Procedures].[insert_barcode] 4, @barcode_attribute_id;
+
+SELECT *
+FROM [Functions].[product_information]();
+
+--<< 3
+DECLARE 
+  @buffer_date_1 AS DATE,
+  @buffer_date_2 AS DATE,
+  @buffer_date_3 AS DATE,
+  @buffer_date_4 AS DATE,
+  @buffer_date_5 AS DATE;
+  
+SET @buffer_date_1 = CAST(N'1900-01-01' AS DATE);
+SET @buffer_date_2 = CAST(N'1900-01-02' AS DATE);
+SET @buffer_date_3 = CAST(N'1900-01-03' AS DATE);
+SET @buffer_date_4 = CAST(N'1900-01-04' AS DATE);
+SET @buffer_date_5 = CAST(N'1900-01-05' AS DATE);
+
+EXECUTE [Procedures].[insert_product_inflow_record]
+  @barcode_product_value_id = @first_barcode_attribute_id,
+  @barcode_product_attribute_id = @barcode_attribute_id,
+  @supplier_id = 1,
+  @count = 2,
+  @full_price = 3000,
+  @datetime = @buffer_date_1;
+
+EXECUTE [Procedures].[insert_product_inflow_record]
+  @barcode_product_value_id = @second_barcode_attribute_id,
+  @barcode_product_attribute_id = @barcode_attribute_id,
+  @supplier_id = 3,
+  @count = 50,
+  @full_price = 1600,
+  @datetime = @buffer_date_2;
+
+SELECT *
+FROM [Functions].[product_inflow_records_information]();
+
+--<< 4
+BEGIN TRY
+  EXECUTE [Procedures].[insert_product_outflow_record] @second_barcode_attribute_id, 5, @buffer_date_2;
+END TRY
+BEGIN CATCH -- Price not specified
+  PRINT N'The error occurred - the right case'
+END CATCH
+
+EXECUTE [Procedures].[insert_price_history_record] 2, @buffer_date_1, 40 -- Æåâàòåëüíàÿ ðåçèíêà Orbit Mega Êëóáíèêà, áåç ñàõàðà, 16,4 ã
+EXECUTE [Procedures].[insert_product_outflow_record] @second_barcode_attribute_id, 5, @buffer_date_2;
+
+SELECT [Functions].[product_with_barcode_stock](@barcode_attribute_id, @second_barcode_attribute_id);
+
+EXECUTE [Procedures].[insert_price_history_record] 2, @buffer_date_3, 45 -- Æåâàòåëüíàÿ ðåçèíêà Orbit Mega Êëóáíèêà, áåç ñàõàðà, 16,4 ã
+EXECUTE [Procedures].[insert_product_outflow_record] @second_barcode_attribute_id, 10, @buffer_date_4;
+
+SELECT [Functions].[product_with_barcode_stock](@barcode_attribute_id, @second_barcode_attribute_id);
+EXECUTE [Procedures].[details_of_product_outflow_records];
+
+--<< 5
+EXECUTE [Procedures].[insert_product_write_off_record] @second_barcode_attribute_id, 1, 5, @buffer_date_5; -- Âûøåë ñðîê ãîäíîñòè
+
+SELECT *
+FROM [Tables].[product_write_off_records];
+
+SELECT [Functions].[product_with_barcode_stock](@barcode_attribute_id, @second_barcode_attribute_id);
+
+BEGIN TRY
+  INSERT INTO [Tables].[product_outflow_records]([barcode_product_value_id], [count], [datetime])
+  VALUES(@first_barcode_attribute_id, 3, @buffer_date_1);
+END TRY
+BEGIN CATCH
+  PRINT N'The error occurred - the right case'
+END CATCH
+
+DROP FUNCTION [Functions].[product_information];
+DROP FUNCTION [Functions].[product_inflow_records_information];
@@ -0,0 +1,12 @@
+USE [Database]
+
+IF EXISTS(SELECT OBJECT_ID FROM [sys].[triggers] WHERE name = 'trg_drop_table')
+DROP TRIGGER [trg_drop_table] ON DATABASE
+GO
+
+CREATE TRIGGER [trg_drop_table]
+  ON DATABASE FOR DROP_TABLE
+  AS
+    SET NOCOUNT ON;
+    ROLLBACK TRANSACTION;
+GO
@@ -0,0 +1,20 @@
+USE [Database]
+
+IF OBJECT_ID('[Tables].[trg_insert_product_types]', 'TR') IS NOT NULL
+  DROP TRIGGER [Tables].[trg_insert_product_types];
+GO
+CREATE TRIGGER [Tables].[trg_insert_product_types] ON [Tables].[product_types] AFTER INSERT
+  AS
+  IF EXISTS(
+    SELECT *
+    FROM [inserted] AS [I]
+    JOIN [Tables].[product_types] AS [PT]
+      ON [PT].[id] = [I].[parent_id]
+    JOIN [Tables].[products] AS [p]
+      ON [p].[product_type_id] = [PT].[id]
+     )
+  BEGIN
+    ROLLBACK TRANSACTION;
+	RETURN;
+  END
+GO
@@ -0,0 +1,34 @@
+USE [Database]
+
+IF OBJECT_ID('[Tables].[trg_insert_product_outflow_records]', 'TR') IS NOT NULL
+  DROP TRIGGER [Tables].[trg_insert_product_outflow_records];
+GO
+CREATE TRIGGER [Tables].[trg_insert_product_outflow_records] ON [Tables].[product_outflow_records] AFTER INSERT
+AS
+  IF NOT EXISTS(
+   SELECT *
+   FROM [inserted] AS [i]
+   JOIN [Tables].[price_history_records] AS [phr]
+     ON [phr].[product_id] = [i].[product_id]
+  )
+  BEGIN
+    ROLLBACK TRANSACTION;
+	RETURN;
+  END
+  DECLARE @barcode_attribute_id AS INT;
+  SET @barcode_attribute_id = (
+    SELECT [id]
+    FROM [Tables].[attributes]
+    WHERE [name] = 'Barcode'
+  );
+  DECLARE @stocks AS INT;
+  SET @stocks  = (
+    SELECT [Functions].[product_with_barcode_stock]([barcode])
+    FROM [inserted]
+  );
+  IF @stocks < 0
+  BEGIN
+    ROLLBACK TRANSACTION;
+	RETURN;
+  END
+GO
@@ -0,0 +1,22 @@
+USE [Database]
+
+IF OBJECT_ID('[Tables].[trg_insert_product_values]', 'TR') IS NOT NULL
+  DROP TRIGGER [Tables].[trg_insert_product_values];
+GO
+CREATE TRIGGER [Tables].[trg_insert_product_values] ON [Tables].[product_values] AFTER INSERT
+AS
+  IF EXISTS(
+    SELECT *
+    FROM (
+      SELECT [i].[value], COUNT(*) AS [count]
+        FROM [Tables].[product_values] AS [PV]
+        JOIN [inserted] AS [i]
+          ON [i].[id] = [PV].[product_id]
+    ) AS [values]
+    WHERE [count] > 1
+  )
+  BEGIN
+    ROLLBACK TRANSACTION;
+	RETURN;
+  END
+GO
@@ -0,0 +1,36 @@
+USE [Database]
+
+IF OBJECT_ID('[Tables].[trg_insert_product_outflow_records]', 'TR') IS NOT NULL
+  DROP TRIGGER [Tables].[trg_insert_product_outflow_records];
+GO
+CREATE TRIGGER [Tables].[trg_insert_product_outflow_records] ON [Tables].[product_outflow_records] AFTER INSERT
+AS
+  IF NOT EXISTS(
+   SELECT *
+   FROM [inserted] AS [i]
+   JOIN [Tables].[product_values] AS [pv]
+     ON [pv].[id] = [i].[barcode_product_value_id]
+   JOIN [Tables].[price_history_records] AS [phr]
+     ON [phr].[product_id] = [pv].[product_id]
+  )
+  BEGIN
+    ROLLBACK TRANSACTION;
+	RETURN;
+  END
+  DECLARE @barcode_attribute_id AS INT;
+  SET @barcode_attribute_id = (
+    SELECT [id]
+    FROM [Tables].[attributes]
+    WHERE [name] = 'Barcode'
+  );
+  DECLARE @stocks AS INT;
+  SET @stocks  = (
+    SELECT [Functions].[product_with_barcode_stock](@barcode_attribute_id, [barcode_product_value_id])
+    FROM [inserted]
+  );
+  IF @stocks < 0
+  BEGIN
+    ROLLBACK TRANSACTION;
+	RETURN;
+  END
+GO
@@ -0,0 +1,25 @@
+USE [Database]
+
+IF OBJECT_ID('[Tables].[trg_insert_product_write_off_records]', 'TR') IS NOT NULL
+  DROP TRIGGER [Tables].[trg_insert_product_write_off_records];
+GO
+CREATE TRIGGER [Tables].[trg_insert_product_write_off_records] ON [Tables].[product_write_off_records] AFTER INSERT
+AS
+  DECLARE @barcode_attribute_id AS INT;
+  SET @barcode_attribute_id = (
+    SELECT [id]
+    FROM [Tables].[attributes]
+    WHERE [name] = 'Barcode'
+  );
+
+  DECLARE @stocks AS INT;
+  SET @stocks  = (
+    SELECT [Functions].[product_with_barcode_stock](@barcode_attribute_id, [barcode_product_value_id])
+    FROM [inserted]
+  );
+  IF @stocks < 0
+  BEGIN
+    ROLLBACK TRANSACTION;
+	RETURN;
+  END
+GO
@@ -0,0 +1,40 @@
+USE [Database]
+GO
+
+IF NOT EXISTS (
+     SELECT [name]  
+     FROM [master].[sys].[server_principals]
+     WHERE [name] = 'user')
+BEGIN
+    CREATE LOGIN [user]
+    WITH PASSWORD = 'user',
+    DEFAULT_DATABASE = [Database];
+END
+GO
+
+IF NOT EXISTS (
+	SELECT *
+	FROM [dbo].[sysusers]
+	WHERE name = N'Casual user')
+BEGIN
+	CREATE USER [Casual user]
+	FOR LOGIN [user]
+	WITH DEFAULT_SCHEMA = [Views]
+END
+GO
+
+GRANT INSERT, SELECT, UPDATE, DELETE
+ON SCHEMA :: [Tables]
+TO [Casual user];
+
+GRANT EXECUTE, SELECT
+ON SCHEMA :: [Functions]
+TO [Casual user];
+
+GRANT EXECUTE, SELECT
+ON SCHEMA :: [Procedures]
+TO [Casual user];
+
+GRANT SELECT, UPDATE
+ON SCHEMA :: [Views]
+TO [Casual user];