CentOS下如何修改MySQL的root密碼

CentOS下如何修改MySQL的root密碼

CentOS下如何修改MySQL的root密碼

1、用帳號登入mysql

mysql –u root
或#mysql –uroot –p

2、改變使用者資料庫

命令：mysql>use mysql
mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed

3、修改密碼

    密碼要用password()函數進行加密！！！！

命令：mysql> update user set password=password('root') where user='root';
mysql> update user set password=password('root') where user='root';
Query OK, 3 rows affected (0.00 sec)
Rows matched: 3  Changed: 3  Warnings: 0

4、重新整理許可權表

命令：mysql> flush privileges;
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

5、退出mysql並對mysql進行重啟即可！！

service mysqld restart

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