使用MySQL时遇到的问题整理_MySQL

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使用MySQL时遇到的问题整理 1 ERROR 2002(HY000): Can't connect to local MySQL server through socket' /var/lib/mysql/mysql.sock'(2)未启动MySQL MySQL的问题2 ERROR 1045(28000): Access denied for user 'root'@'localhost' (using password: NO)密码错了，修改root用户的密码：
2.1 方法一mysqladmin -uroot -ppassword 'newpassword'2.2 方法二 # /etc/init.d/mysql stop# mysqld_safe--user=mysql --skip-grant-tables --skip-networking &# mysql -u root mysqlmysql> UPDATE userSET Password=PASSWORD('newpassword') where USER='root';mysql> FLUSHPRIVILEGES;mysql> quit # /etc/init.d/mysqlrestart# mysql -uroot -pEnter password: <输入新设的密码newpassword>3 Can'tconnect to MySQL server on '192.168.10.31' (10060)IP写错了, 或者端口没有开放.4 ERROR 1130:Host '192.168.1.3' is not allowed to connect to this MySQL server
4.1 改表法在localhost的那台电脑，登入mysql后，更改"mysql"数据库里的"user"表里的"host"项，从"localhost"改成"%" mysql -u root -pmysql> use mysql;mysql> update userset host = '%' where user = 'root';mysql> select host,user from user;
4.2 授权法mysql> grant all privilegeson *.* to 'yourname'@'%' identified by 'youpasswd';Query OK, 0 rowsaffected (0.05 sec)mysql> flushprivileges;Query OK, 0 rowsaffected (0.06 sec)mysql> exit bitsCN.com