> insert into tb1 (name,age) values('tom',33);
> insert into tb1 (name,age) values('jerry',22),('naruto',28);
> insert into tb1 values (4,'Sasuke',28),(5,'hinata',25);
> insert into tbl2 set id=2,name="test",age=18,gender='M';
> delete from tb1;
> delete from tb1 where age=22;
> delete from tb1 where name rlike '^t.*';
> delete from tb1 where age > 30 order by age desc limit 1;
update常用语句
> update tb1 set age = 28;
> update tb1 set name='luffy' where id=13;
> update tb1 set name='luffy',age=25 where id=13;
