如何从一张表中选择两行？

Question

I would like to use mysql_query to select two rows from one table with the usage of pid twice.我想使用mysql_query从一个表中选择两行，同时使用pid两次。

Like this:像这样：

<?php $result = mysql_query("SELECT * FROM posts WHERE pid='$user1' AND pid='$user2' order by id desc limit 50") ?>

Is this possible?这可能吗？

Answer 1

Try this..尝试这个..

SELECT * FROM posts WHERE pid='$user1' OR pid='$user2' order by id desc limit 50

Hope this helps.希望这可以帮助。