摘要:
create table house (house_id varchar(10),city varchar(10),area int)insert into house values ('wh1','北京',370);insert into house values ('wh2','上海',500... 阅读全文
摘要:
--select...from...where... 查询--insert into...values() 插入--update...set... 改--delete from...where... 删--drop table ..删除表--top 查询前几行。跟在select后面--di... 阅读全文