MySQL 基础语句
多个知识点
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- 排序：order by desc-降序 asc-升序（默认）
select * from student order by stuno desc
- distinct 去掉重复的值
select distinct classno from student
----------------insert----------------------------
select * from student
insert into student values('03000001','20102010','梁帅','abxdefgh')
-----------------update--------------------------
update student set stuname='梁帅帅' where stuname='梁帅'
-------------------delete----------------------------
delete 删除表中所有的记录，保持表的结构
delete table_name
-------------------drop------------------------
drop 完全删除表
drop table_name