选择MySQL中的两个表
我有两个表选择MySQL中的两个表,mysql,select,Mysql,Select,我有两个表点击次数和帖子。在hits表中,我有id\u post,hits和posts表中我有id,title 我需要建立与相关点击和点击顺序的所有职位的报告。有人能帮我选择吗?试试这个 SELECT posts.id, posts.title, hits.hits FROM posts LEFT JOIN hits ON hits.id_post = posts.id ORDER BY hits.hits $q=mysql_query("SELECT * FROM `posts`
点击次数
和帖子
。在hits
表中,我有id\u post,hits
和posts
表中我有id,title
我需要建立与相关点击和点击顺序的所有职位的报告。有人能帮我选择吗?试试这个
SELECT posts.id, posts.title, hits.hits
FROM posts LEFT JOIN hits ON hits.id_post = posts.id
ORDER BY hits.hits
$q=mysql_query("SELECT * FROM `posts` ORDER BY `title`;");
while($qresult=mysql_fetch_array($q))
{
$post_id=$qresult['id'];
$post_title=$qresult['title'];
$hitsretreiver=mysql_query("SELECT * FROM `hits` WHERE `id_post`='$post_id';")
while($hitsretreiverresult=mysql_fetch_array($hitsretreiver)
{
$relatd_hit=$hitsretreiverresult['hits'];
echo $post_title;
echo $relatd_hit;
}
}
在这段代码中,您获得了表post中的每条记录,并且您从具有相同id的表hits中获得了记录可能的重复:是,这应该标记为重复,如@Rowland Shaw所述
$q=mysql_query("SELECT * FROM `posts` ORDER BY `title`;");
while($qresult=mysql_fetch_array($q))
{
$post_id=$qresult['id'];
$post_title=$qresult['title'];
$hitsretreiver=mysql_query("SELECT * FROM `hits` WHERE `id_post`='$post_id';")
while($hitsretreiverresult=mysql_fetch_array($hitsretreiver)
{
$relatd_hit=$hitsretreiverresult['hits'];
echo $post_title;
echo $relatd_hit;
}
}