创建表,并且设置ID 为主键,怎么写? 创建表,并且设置ID 为主键,怎么写?CREATE TABLE XXX ( [ID] [int] IDENTITY (1, 1) NOT NULL , [MID] [int] NULL,) 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 CREATE TABLE XXX ( [ID] [int] IDENTITY (1, 1) NOT NULL PRIMARY KEY, [MID] [int] NULL, ) CREATE TABLE XXX ( [ID] [int] IDENTITY (1, 1) NOT NULL primary key, [MID] [int] NULL, ) CREATE TABLE XXX ( [ID] [int] IDENTITY (1, 1) NOT NULL , [MID] [int] NULL, constraint p_id primary key(id)) create table tb(tid int primary key ) CREATE TABLE XXX ( [ID] [int] IDENTITY (1, 1) NOT NULL primary key, [MID] [int] NULL, ) CREATE TABLE XXX ( [ID] [int] IDENTITY (1, 1) NOT NULL primary key , [MID] [int] NULL)--orCREATE TABLE XXX ( [ID] [int] IDENTITY (1, 1) NOT NULL , [MID] [int] NULL)alter table xxx add constraint pk_id primary key (id) 多表连接 关于一条月结算的语句 数据库的时间类型 max的问题。 关于外键的问题 这两个sql语句执行结果为什么不同 下面的代码我不懂 请大师详细讲将 为什么我改了windows 的登陆密码或帐号后启动不了sqlserver2000的服务? 请教 三千 兄: sqlplus中怎样使光标可以移动? 简单问题:ADO方式如何动态联接SQL SERVER数据库 如何转换数据类型 请 hery2002 进来接分
(
[ID] [int] IDENTITY (1, 1) NOT NULL PRIMARY KEY,
[MID] [int] NULL,
)
(
[ID] [int] IDENTITY (1, 1) NOT NULL primary key,
[MID] [int] NULL,
)
(
[ID] [int] IDENTITY (1, 1) NOT NULL ,
[MID] [int] NULL,
constraint p_id primary key(id)
)
create table tb(tid int primary key )
CREATE TABLE XXX
(
[ID] [int] IDENTITY (1, 1) NOT NULL primary key,
[MID] [int] NULL,
)
CREATE TABLE XXX
(
[ID] [int] IDENTITY (1, 1) NOT NULL primary key ,
[MID] [int] NULL
)--orCREATE TABLE XXX
(
[ID] [int] IDENTITY (1, 1) NOT NULL ,
[MID] [int] NULL
)alter table xxx add constraint pk_id primary key (id)