6.21 ADO添加及查询 SQL

 1 create database data0425
 2 go
 3 use data0425
 4 go
 5 create table student 
 6 (
 7 code varchar(50) primary key,
 8 name varchar(50),
 9 sex bit,
10 birthday datetime,
11 score decimal(10,2),
12 )
13 
14 insert into student values(‘101‘,‘张三‘,‘1‘,‘1991-03-08‘,‘81‘)
15 insert into student values(‘102‘,‘李四‘,‘0‘,‘1992-03-08‘,‘82‘)
16 insert into student values(‘103‘,‘王五‘,‘1‘,‘1993-03-08‘,‘83‘)
17 insert into student values(‘104‘,‘赵六‘,‘1‘,‘1994-03-08‘,‘84‘)
18 insert into student values(‘105‘,‘冯七‘,‘0‘,‘1995-03-08‘,‘85‘)
19     
20 select * from student 
21 
22 /*修改*/
23 select * from student where code=‘102‘
24 
25 update student set score=98.23 where code=‘102‘