数据库命令

Posted 2020-12-31 xiaomao21

1,增加 user是表

insert into user value

(‘ss55‘,‘ss
2lsowl‘);

2,删除

 

delete from user where pw =123;

3,查

SELECT * FROM user  WHERE pw  =  ‘90s‘;

 

4,改

update user set pw=‘90s‘ where id =‘55‘;