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删除匿名用户 在MySQL刚刚被安装后，存在用户名、密码为空的用户。这使得数据库服务器有无需密码被登录的可能性。为消除隐患，将匿名用户删除。 [root@sample ~]# mysql -u root -p ← 通过密码用root登录Enter password: ← 在这里输入密码 Welcome to the MySQL monitor. Commands end with ; or /g.Your MySQL connection id is 7 to server version: 4.1.20Type 'help;' or '/h' for help. Type '/c' to clear the buffer.mysql> select user,host from mysql.user; ← 查看用户信息+------+----------------------------+ | user | host |+------+----------------------------+| | localhost || root | localhost || | sample.centospub.com || root | sample.centospub.com |+------+----------------------------+4 rows in set (0.02 sec)mysql> delete from mysql.user where user=''; ← 删除匿名用户Query OK, 2 rows affected (0.17 sec)mysql> select user,host from mysql.user; ← 查看用户信息+------+----------------------------+| user | host |+------+----------------------------+| root | localhost || root | sample.centospub.com |+------+----------------------------+ 作者 亦梦亦真 bitsCN.com
每个人都需要一台速度更快、更稳定的 PC。随着时间的推移，垃圾文件、旧注册表数据和不必要的后台进程会占用资源并降低性能。幸运的是，许多工具可以让 Windows 保持平稳运行。
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