| 内容 | 方法1: 用SET PASSWORD命令
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 mysql -u root
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 mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');
 方法2:用mysqladmin
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 mysqladmin -u root password "newpass"
 如果root已经设置过密码,采用如下方法
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 mysqladmin -u root password oldpass "newpass"
 方法3: 用UPDATE直接编辑user表
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 mysql -u root
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 mysql> use mysql;
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 mysql> UPDATE user SET Password = PASSWORD('newpass') WHERE user = 'root';
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 mysql> FLUSH PRIVILEGES;
 在丢失root密码的时候,可以这样
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 mysqld_safe --skip-grant-tables&
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 mysql -u root mysql
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 mysql> UPDATE user SET password=PASSWORD("new password") WHERE user='root';
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 mysql> FLUSH PRIVILEGES;
 希望对大家有所帮助。欢迎大家来投稿!!!
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