create database GradeManamentDB
on primary
(
name=data1,
filename='d:\data\data1.mdf',
size=10mb,
filegrowth=10%,
maxsize=unlimited
),
(
name=data2,
filename='d:\data\data1.ndf',
size=10mb,
filegrowth=10%,
maxsize=unlimited
)
log on
(
name=log1,
filename='d:\data\log1.ldf',
size=10mb,
filegrowth=10%,
maxsize=unlimited
)
建立数据表:
use GradeManamentDB
create table student --至少一个字段
(
id int identity(1,1),
name varchar(10) not null,
sex char(2) default '男',
birthday date
)
--为表中所有字段赋值
insert into studentInfo(id,name,sex,birthday) values(101,'Smith','男','1981-1-1')
--简化为 正确地
insert into studentInfo values(101,'Smith','男','1981-1-1')
insert into studentInfo(name,id,birthday,sex) values('Smith',101,'1981-1-1','男')
--为表中部分字段赋值
insert into studentInfo(id,name) values(2,'李四')
insert into studentInfo values(2,'李四',null,null )
insert into studentInfo values(2,'李四',null,default )