为什么$result返回 布尔型

Question

<?php

include("../register/config.php");

$sql = "select * from user";//查询全部数据

$result = mysql_query($conn,$sql); //处理sql语句

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\www.test.nk\login\login.php on line 6

Answer 1

一般是sql语句写错了导致的