# MySQL问题汇总
# 介绍
[TOC]
环境：CentOS7版本
问题：CentOS7安装Mysql时没有mysql-server可用包
解决方法：
yum -y install wget
#下载mysql的repo源
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
#安装mysql-community-release-el7-5.noarch.rpm包
rpm -ivh mysql-community-release-el7-5.noarch.rpm
#安装mysql
yum install mysql-server
#查看mysql 服务状态
systemctl status mysql
#启动mysql
systemctl start mysql
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参考链接Linux下安装Mysql时没有mysql-server可用包的解决 (opens new window)
//获取数据中指定表表名
SELECT table_name FROM INFORMATION_SCHEMA.TABLES where TABLE_NAME = 'test'
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//获取数据中指定表列名
SELECT table_name FROM INFORMATION_SCHEMA.COLUMNS where TABLE_NAME = 'test'
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