mysql学习之基础知识详解

本文是mysql学习笔记系列文章的第一篇,给大家简单讲解下mysql的一些检查操作命令,希望大家能够喜欢

查看数据库

show databases;

创建数据库

create DATABASE 数据库名称
create DATABASE databasetest;

选择数据库

use 数据库名称

use databasetest;
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Database changed;切换成功

查看当前数据库名称

SELECT DATABASE();

删除数据库

drop DATABASE 数据库名称
drop DATABASE databasetest;

数据库状态

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 --------------