可能重复:
mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in /home("UPDATE news SET titel='" . mysql_real_escape_string($_POST['titel']) . "', inhoud='" . mysql_real_escape_stringg
我正在尝试创建一个存储过程来重命名我的MySQL数据库中的用户: IN _oldname VARCHAR) > 0 THEN RENAME USER _oldname TO _newname; END IF;当我运行这个过程时,我会得到以下错误:
MySql.Data.MySqlClient.MySqlException(0x80004005): Opera
查询在MySQL工作台中运行非常好,但在应用程序中运行时,查询将失败
Unhandled Exception: MySql.Data.MySqlClient.MySqlException: You havean error in your SQL syntax; check the manual that corresponds to your MySQL server version for the