测试SQL

create database testDB

create table users
(
    id int primary key identity(1,1),
    uname nvarchar(2000),
    jine money,
    createtime datetime default getdate()
)

insert into users(uname, jine) values('aa',100)
insert into users(uname, jine) values('bb',200)
insert into users(uname, jine) values('cc',300)

insert into users(uname, jine) values('dd',300) select @@identity  --返回自增主键的值

select * from users