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问题：QT 使用MySql提示QSqlDatabase: available drivers: QSQLITE QMYSQL QMYSQL3 QODBC QODBC3 QPSQL QPSQL7，"Driver not loaded Driver not loaded"解决方法：将相应的libmysql.dll拷贝到D:\Qt\Qt5.5.0\5.5\mingw492_32\bin，D:\Qt\Qt5.5.0\5.5\mingw492_32\bin这个是我的目录，需要替换成自己的目录。...

问题：mysql-8.0.27-winx64命令行修改密码时使用语句set password for root@localhost = password("1234567");提示如下错误：ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use n

一，MySQL8.0.12版本安装步骤。1，下载https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.12-winx64.zip2,解压将mysql-8.0.12-winx64.zip解压到 D：/mysql 目录下3打开cmd命令控制台，输入以下命令。 d: cd\ cd mysql ...

第一步：D:\MartinDong\MySQL\Software\mysql-5.7.18-winx64\mysql-5.7.18-winx64\bin>mysqld installService successfully installed.第二步：D:\MartinDong\MySQL\Software\mysql-5.7.18-winx64\mysql-5.7.18-winx6...