教你快速掌握怎样在Windows下升级MySQL_MySQL
Windows中升级MySQL应采取的步骤:
1. 进行升级前你应先备份当前的MySQL安装。
2. 下载最新Windows版MySQL。
3. 升级MySQL前,必须停止服务器。
如果服务器安装为服务,必须在命令提示符下在命令行中用下面的命令停止服务:
C:> NET STOP MYSQL如果MySQL服务器不是服务,使用下面的命令停止服务器:
C:> C:Program FilesMySQLMySQL Server 5.1inmysqladmin -u root shutdown4.
4.当从以前至的4.1.5版本升级到MySQL 5.1时,或从Zip文件安装的MySQL升级到MySQL Installation Wizard(安装帮助)安装的MySQL时,你必须手动卸载前面安装的MySQL服务。
要想卸载MySQL服务,使用下面的命令:
C:> C:mysqlinmysqld --remove
如果你不想卸载已有的服务,MySQL Installation Wizard(安装帮助)则不会正确安装新的MySQL服务。
5. 如果你使用MySQL Installation Wizard(安装帮助),请参考“使用MySQL安装向导”的描述来启动帮助。
6. 如果用Zip文件安装MySQL,应提取文件。你可以覆盖已有的MySQL安装(通常位于C:mysql),或将它安装到其它目录,例如 C:mysql4。建议覆盖原有的安装。
7. 重新启动服务器。如果你运行MySQL服务,则使用NET START MySQL,还可以直接调用mysqld。

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