status命令:
mysql> status -------------- mysql Ver 14.14 Distrib 5.6.17, for Linux (i686) using EditLine wrapper Connection id: 2 Current database: myDbName Current user: root@ SSL: Not in use Current pager: stdout Using outfile: '' Using delimiter: ; Server version: 5.6.17 MySQL Community Server (GPL) Protocol version: 10 Connection: Localhost via UNIX socket Server characterset: latin1 Db characterset: utf8 Client characterset: utf8 Conn. characterset: utf8 UNIX socket: /var/lib/mysql/mysql.sock Uptime: 1 hour 19 min 38 sec Threads: 1 Questions: 43 Slow queries: 0 Opens: 76 Flush tables: 1 Open tables: 71 Queries per second avg: 0.008 -------------
四、mysql驱动版本不匹配问题:
在使用sqlyog(mysql驱动版本较低)操作mysql 6所建数据库时,可能会报出如下问题:
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_SELECT_LIMIT=DEFAULT' at line 1 SQLState: 42000 ErrorCode: 1064mysql6移除了mysql5中的该项设置,所以有两种方案,一替换为高版本驱动,另一种更换mysql数据库为mysql5或更低版本。
附:查询数据库版本:
mysql> select version(); +-----------+ | version() | +-----------+ | 5.6.17 | +-----------+ 1 row in set (0.00 sec) mysql>
五、如何卸载?
以下为rpm安装方式的mysql的卸载过程:
[root@localhost home]# rpm -qa | grep My MySQL-server-5.6.17-1.linux_glibc2.5 MySQL-client-5.6.17-1.linux_glibc2.5 [root@localhost home]#
5.2、停止mysql服务:
[root@localhost ~]# service mysql stop Shutting down MySQL..????????????????????????????????????? [确定]5.2、删除 已经安装的mysql包 ,不带rpm结尾,为上面命令5.1中查找的结果:
先卸载客户端:
[root@localhost ~]# rpm -e MySQL-client-5.6.17-1.linux_glibc2.5.i386 root@localhost ~]#
接着卸载其他相关包,如mysql开发包:
[root@localhost ~]# rpm -e MySQL-devel-5.6.17-1.linux_glibc2.5 [root@localhost ~]#
最后卸载服务端:
[root@localhost ~]# rpm -e MySQL-server-5.