mysql student form table addition, deletion, modification and check (fuzzy, flashback)
select * from student
select * from student where Sid = 02
update student set Ssex = "女",Sname="人才" where Sid = 02
delete from student where Sid = 02
insert into student values("02","周树人","1990-05-20 00:00:00","男")
select * from student order by Sid desc
select * from student where Sname like "周%"
select * from student where Sname not like "周%"
select Sname,year(now())-year(Sage) from student
Total sql statement
select * from student
select * from student where Sid = 02
update student set Ssex = "女",Sname="人才" where Sid = 02
delete from student where Sid = 02
insert into student values("02","周树人","1990-05-20 00:00:00","男")
select * from student order by Sid desc
select * from student where Sname like "周%"
select * from student where Sname not like "周%"
select Sname,year(now())-year(Sage) from student