MS SQL创建数据表+设置主键+设置唯一约束
CREATE TABLE[employee](
[EmployeeID][char](9) NOT NULL CONSTRAINT[PK_employee]PRIMARY KEY CLUSTERED, /*设置主键*/
[Name][varchar](10) NOT NULL,
[Sex][bit]NOT NULL,
[Birthday][smalldatetime]NOT NULL,
[Birthplace][varchar](10) NOT NULL,
[ID][char](18) NOT NULL CONSTRAINT[IX_ID]UNIQUE NONCLUSTERED([ID]ASC), /*设置唯一约束*/
)
ON[PRIMARY]
CREATE TABLE[employee](
[EmployeeID][char](9) NOT NULL CONSTRAINT[PK_employee]PRIMARY KEY CLUSTERED,
[Name][varchar](10) NOT NULL,
[Sex][bit]NOT NULL,
[Birthday][smalldatetime]NOT NULL,
[Birthplace][varchar](10) NOT NULL,
[ID][char](18) NOT NULL CONSTRAINT[IX_ID]UNIQUE NONCLUSTERED([ID]ASC),
)
ON[PRIMARY]
ALTER TABLE [employee] add constraint [PK_employee]PRIMARY KEY CLUSTERED ([EmployeeID] ASC)
ON [PRIMARY]
ALTER TABLE [employee] add constraint [IX_employee]UNIQUE NONCLUSTERED([ID]ASC)
ON [PRIMARY]