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mysql -uroot -pckh
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 7 to server version: 5.0.22-community-nt
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> use mysql
Database changed
mysql> update user set password=password('newpass') where user='root';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql>
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ԭʼÃÜÂëÊÇ newpass , ÐÂÃÜÂëÊÇ  mysql
mysqladmin -uroot -pnewpass password mysql
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ԭʼÃÜÂëÊÇ mysql , ÐÂÃÜÂëÊÇ  ckh
mysql -uroot -pmysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 19 to server version: 5.0.22-community-nt
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> set password for root@'localhost'=password('ckh');
Query OK, 0 rows affected (0.00 sec)
mysql>
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