mysql 往表中某个字段的字符串后追加字符串 NO BiBi show me Code,Go~~~update np_order set customer_remark=CONCAT(customer_remark,"sgja那里能的可能")WHERE order_id='1'

Macbook 电脑意外关机重启mysql链接不上的解决办法 ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)解决办法sudo mysql.server stop sudo mysql.server start// Homebrew 安装MySQL想启动和关闭服务需要使用以下命令 // 启动 mysql, 并设置为开机启动 brew services start mysql // 关闭 mysql brew services stop mysql // 重启 mysql brew services restart mysql

Macbook安装完mysql，启动时报错：ERROR! The server quit without updating PID file 上代码解决方法： sudo chown -R _mysql /usr/local/var/mysql