Detailed explanation of the basic knowledge of mysql learning

This article is the first article in the MySQL study notes series. I will give you a brief explanation of some MySQL check operation commands. I hope you will like it

View the database

show databases;

Create database

create DATABASE 数据库名称
create DATABASE databasetest;

Select database

use database name

use databasetest;
------------
Database changed;切换成功

View current database Name

SELECT DATABASE();

Delete database

drop DATABASE 数据库名称
drop DATABASE databasetest;

Database status

status;
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mysql Ver 14.14 Distrib 5.7.17, for Win64 (x86_64)
Connection id:     5
Current database:
Current user:      root@localhost
SSL:          Not in use
Using delimiter:    ;
Server version:     5.7.17-log MySQL Community Server (GPL)
Protocol version:    10
Connection:       127.0.0.1 via TCP/IP
Server characterset:  utf8
Db   characterset:  utf8
Client characterset:  gbk
Conn. characterset:  gbk
TCP port:        3306
Uptime:         2 hours 25 min 34 sec
Threads: 2 Questions: 57 Slow queries: 0 Opens: 114 Flush tables: 1 Open tables: 107 Queries per second avg: 0.006
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