故障: 之前phpMyAdmim和Yii连接Mysql都好着的.某天,同一时候出现例如以下报错: 1.linux下phpMyAdmin 出现 "缺少 mysqli 扩展,请检查 PHP 配置." 2.Yii 出现CDbConnection failed to open the DB connection: could not find driver 排查: 1.先排查Mysql服务是否正常(登录或port) 2.Mysql服务正常,预计是PHP 缺少mysql的相关扩展造成的,由于两个
# Example MySQL config file for small systems. # # This is for a system with little memory (<= 64M) where MySQL is only used # from time to time and it's important that the mysqld daemon # doesn't use much resources. # # You can copy this file to # C
用mysql数据库工具连接linuxmysql环境,但是会遇到连接失败的问题,如下所示: 这就需要涉及到另外的问题了,需要我们打开mysql的连接授权,具体的操作步骤如下: 1)在xshell里进入mysql,命令是: mysql -u root -p,然后回车,就进入到mysql. 下面是出现报错情况 [root@lam7 opt]# mysql -u root -pEnter password: ERROR 2002 (HY000): Can't connect to local MySQL
报错信息: phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they correspond to the information given by the administrator of
需求如下: 查询book表信息,同时关联entitystags表,以entitystags的字段eid关联book的主键,再关联查询tags表,以entitystags表的tid字段关联tags表的主键id 同时读出这三张表的信息来,在Yii可以如下处理,先在relations方法中声明三张表的关系,在控制器中,以with表明渴求式调用,即可,代码如下: 在book的model文件中声明关系: public function relations(){ return array( 'entit