Question

怎样判断mysql搜索结果是false或true?

怎样判断mysql搜索结果是false或true?
我得到的是
Resource id #9
Resource id #11
Resource id #13

Answer 1

String sql="select * from table";
if(sql)
System.out.println("success");
else System.out.println("fail");

Answer 2

$sql="select * from table";
$result=mysql_query($sql) or die("执行失败");