我想看看我的桌子里有没有重复的票号。我下面的代码是显示classes表中的第一个票号1039,如果有重复,我想显示出来。1039不是重复的。我的问题是什么?$query = "SELECT ticket, COUNT(ticket) AS NumOccurrences FROM classes GROUP BY ticket HAVING (COUNT(ticket) > 1)";
$result = mysql_query($query) or die(<em
我有一个与存储在mySQL数据库中的广告相关的问题。我需要获取所有的结果,按照id降到8的限制进行排序,然后在一个中显示4个结果,在另一个中显示4个结果。php $getAdverts=mysql_query(" SELECT * FROM adverts WHERE live = 1 ORDER BY id DESC LIMIT 8");(mysql_query(" SELECT * FROM advertisers WHERE id = '".&quo