全,我已经在我的机器上安装了MySQL社区服务器的最新版本。安装文件夹为C:\Program Files\MySQL\MySQL Server 5.5。data文件夹驻留在此文件夹路径本身中。2>使C:\Program Files\MySQL\MySQL Server 5.5成为我的当前目录
3>输入命令:mysql -u root
$sql1 = "SELECT SIDno FROM class WHERE SubjID='$SubjName' and SecID='$SecName'";while ($row1 = mysql_fetch_assoc($result1)){ $sql2="INSERT INTO它的工作,但它只插入一个数据到数据
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ActiveRecord::StatementInvalid: Mysql2::Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL serverversion for the right syntax to use near 'DROP TABLE IF EXISTS _by_