show databases;

create database student_manage_system;

use student_manage_system;

show tables;

drop database  student_manage_system;

drop table students;

select * from students limit 200;

select * from scores limit 200;

select * from address limit 200;

select * from classes limit 200;

select * from company limit 200;

select * from employments limit 200;

select * from teachers limit 200;

select * from subject limit 200;

desc students;


# select *
# from cast(student_manage_system as BINARY)
# where age >30
# join on
# group by
# having
# order by
# limit