products.sql

用Delphi编写的生产管理系统源码

CREATE TABLE Products
  (
    ProductID int IDENTITY (1,1) NOT NULL,
    ProductName nvarchar (40) NOT NULL,
    SupplierID int,
    CategoryID int,
    QuantityPerUnit nvarchar (20),
    UnitPrice money
        DEFAULT (0),
    UnitsInStock smallint
        DEFAULT (0),
    UnitsOnOrder smallint
        DEFAULT (0),
    ReorderLevel smallint
        DEFAULT (0),
    Discontinued bit NOT NULL
        DEFAULT (0),
    PRIMARY KEY CLUSTERED (ProductID) ON PRIMARY,
    FOREIGN KEY (SupplierID)
        REFERENCES Suppliers (SupplierID),
    FOREIGN KEY (CategoryID)
        REFERENCES Categories (CategoryID),
    CHECK ([UnitPrice] >= 0),
    CHECK ([UnitsInStock] >= 0),
    CHECK ([UnitsOnOrder] >= 0),
    CHECK ([ReorderLevel] >= 0)
  )
go

CREATE INDEX CategoryID
    ON Products (CategoryID)
      ON PRIMARY
go

CREATE INDEX ProductName
    ON Products (ProductName)
      ON PRIMARY
go

CREATE INDEX SupplierID
    ON Products (SupplierID)
      ON PRIMARY
go