Centos6.5 mysql折騰記

1、yum安裝mysql

[root@localhost ~]# yum -y install mysql-server

安裝結果

Installed:
  mysql-server.x86_64 0:5.1.73-7.el6                                                            

Dependency Installed:
  mysql.x86_64 0:5.1.73-7.el6                perl-DBD-MySQL.x86_64 0:4.013-3.el6               

Complete!

2、設置開機啟動

[root@localhost ~]# chkconfig mysqld on

3、MySQL服務

3.1、MySQL服務開啟

[root@localhost ~]# service mysqld start

3.2、MySQL服務關閉

[root@localhost ~]# service mysqld stop

3.1、MySQL服務重啟

[root@localhost ~]# service mysqld restart

4、MySQL密碼

4.1、設置密碼

[root@stonex ~]#  mysql -u root
mysql> set password for root@localhost=password('root');
mysql> exit

4.2、密碼忘記

4.2.1、修改/etc/my.cnf

 1 [mysqld]
 2 datadir=/var/lib/mysql
 3 socket=/var/lib/mysql/mysql.sock
 4 user=mysql
 5 #最重要的下麵這一行代碼
 6 skip-grant-tables
 7 # Disabling symbolic-links is recommended to prevent assorted security risks
 8 symbolic-links=0
 9 
10 [mysqld_safe]
11 log-error=/var/log/mysqld.log
12 pid-file=/var/run/mysqld/mysqld.pid

4.2.2、重啟MySql

[root@localhost ~]# service mysqld restart

4.2.3、修改密碼

1 [root@localhost ~]# mysql -u root
2 mysql> use mysql;
3 mysql> set password for root@localhost=password('root');
4 mysql> flush privileges;
5 mysql> exit;
6 [root@localhost ~]# service mysqld restart

4.2.4、修改/etc/my.cnf

[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

4.3、MySQL登陸

[root@localhost ~]# mysql -u root -p

4.4、MySQL常用命令

1 show databases; //查看系統已存在的資料庫
2 use databasesname;   //選擇需要使用的資料庫
3 drop database databasename; //刪除選定的資料庫
4 exit    //退出資料庫的連接
5 create database test01;    //建立名為test的資料庫
6 show tables;        // 列出當前資料庫下的表
7 其他基本的增刪改查使用標準SQL即可

4.5、MySQL開放遠程登陸許可權

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'root' WITH GRANT OPTION;
FLUSH PRIVILEGES;