在这种情况下,左连接与右连接是相同的吗?mysql> mysql> use usenet;show tables;describe ARTICLE;describe NEWSGROUP;+--------------+------------+------+-----+---------+----------------+
| Field | Type | Null---
我是php和mysql的新手,所以希望有更多经验的人能在这里给我一些指导。<?php
$npcinfo="SELECT * from npcs where name='$npcname'";$npcinfo3=mysql_fetch_array($npcinfo2);
$listquests = "SELECT * from quests