[MySQL] MySQL Basic operation (on)

This introduction is only the most basic and most common operations.

First, the database operations:

①show databases; view the database Daquan

②create database -; creating a database

③use -; switch databases

④drop database -; delete the database

Second, the table operation:

(1) global operations

①show tables;　　 　   　　　　　　　　　　see Table Book

②create table - (Column Name Data Type Notes　　　 create tables

　　　　　　　   ……);

③describe table -;　　 　　　　　　　　　　View header

④alter table - add defined among the columns　　       　 add column

　　　　　　　　 change the original column name column name  　　　renamed

⑤drop table -　　　　　　　　　　　　　　 Delete table

(2) Data Manipulation

①insert into - values (~, ~　　　　　　　　 , ~); insert data

②select ~ from - where ~;　　　　　　　　   see data

③update - set column name 1 = '~' where 2 column name = '~'　　 modified data

④delete from - where ~;　　　　　　　　　  deleted data

⑤truncate table -;　　　　　　　　　　　　 Data Clear Form

Third, the overall operation of the data table summarizes the comparison operation

Modifying header and modify data referred to as "modified", but is a global modification, is a modification of the contents data.

Action statements confusing, so in this comparison lists some simple statements.