create database db
use db
go
create table course
(
sno varchar(20),
cno int ,
Gmark int
)
insert into course values('20071513115',1,80)
insert into course values('20071513114',2,80)
insert into course values('20071513113',3,80)
insert into course values('20071513112',4,80)
insert into course values('20071513111',1,80)
insert into course values('20071513110',2,80)
insert into course values('20071513116',3,80)
insert into course values('20071513117',1,80)
select distinct cno from course
go
create table student
(sno char(7) not null primary key,
sname varchar(20) not null,
ssex char(2) not null,
sage smalldatetime ,
spno char(5),
classid char(5),
Inyear char(4) not null )
insert into student
values('2000101','李勇','男','1980-7-1','00311','10497','1999')
insert into student
values('2000102','刘诗晨','女','1981-8-12','00311','10498','1999')
insert into student
values('2000103','王一鸣','男','1982-12-20','00312','10497','2001')
insert into student
values('2000104','张婷婷','女','1985-5-9','00312','10498','2000')
insert into student
values('2001101','李敏','女','1989-3-9','01311','10497','1999')
insert into student
values('2001102','贾向男','女','1982-9-3','01311','10498','2000')
insert into student
values('2001103','陈李宝','男','1981-5-7','01311','10497','1999')
insert into student
values('2000105','张三','男','1984-6-7','01311','10497','1999')
insert into student
values('2000106','张','男','1984-6-7','01311','10497','1999')
select * from student where spno='01311' and ssex='女'
go
select sname,ssex,sage from student where spno in('01311','01312')
go
select * from student where sname like '李%'
go
在SQL语句中通过系统存储过sp_addextendedproperty可为表字段添加上动态的说明（备注）下面是SQL SERVER帮助文档中对sp_addextendedproperty存储过程的描述
语法
sp_addextendedproperty
[ @name = ] { 'property_name' }
[ , [ @value = ] { 'value' }
&nbs ......
