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[英]PHP & MYSQL - How To Check If Two Or More Rows Have The Same Field Value
[英]How to get rows with highest value, if two or more Columns have same value
我有帖子表,我想首先显示查看最多的帖子,但是如果两个或多个列具有相同的值,我将无法获得正确的结果。 我的意思是,如果一个帖子具有25个视图,第二个帖子具有相同的(25)视图,那么我只会得到一个结果,但是我想显示所有结果。 请帮帮我..
这是我的代码:
$real_query = mysqli_query(
$connect,
"SELECT id, note_topic, note_owner_id, note_by_name,
views FROM user_note GROUP BY views ORDER BY MAX(views) DESC"
);
只需删除按视图分组:
GROUP BY views
还要从ORDER BY子句中删除聚合:
ORDER BY MAX(views) DESC
至
ORDER BY views DESC
我认为您正在寻找这样的查询:
select
id, note_topic, note_owner_id, note_by_name, views
from
user_note
where
views = (select MAX(views) from user_note)
如果只有一个最大帖子,则此查询将仅返回1行,否则将返回所有具有最大视图数的行。
这将显示按视图数顺序排列的前十个记录,顺序为后代,
包括具有相同顶视图数量的记录
SELECT
id, note_topic, note_owner_id, note_by_name, views
FROM
user_note
ORDER BY views DESC
LIMIT 10
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