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# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm# rpm -ivh mysql-community-release-el7-5.noarch.rpm# yum install mysql-community-server |
成功安装之后重启mysql服务
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# service mysqld restart |
初次安装mysql是root账户是没有密码的
设置密码的方法
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# mysql -urootmysql> set password for ‘root’@‘localhost’ = password(‘密码‘);mysql> exit |
重新进入mysql
mysql -uroot -p123456
1]查看mysql中都有哪些数据库？
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
+--------------------+
3 rows in set (0.01 sec)
显示有3个数据库 information_schema | mysql | performance_schema
4]如何创建和删除一个数据库？
mysql> create database zzx; Query OK, 1 row affected (0.01 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | zzx | +--------------------+ 4 rows in set (0.00 sec)
mysql> drop database zzx;
备份数据库
[root@localhost ~]# mysqldump -uroot -p zzx1 > /root/zzx.sql Enter password:
导入数据库 要导入存在的数据表 不能导入不存在的表
[root@localhost ~]# mysql -uroot -p zzx2 </root/zzx.sql Enter password:
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原文地址：http://www.cnblogs.com/hanxing/p/4305778.html
