我使用这个查询,但它不能在MySQL中如何从第n行到第n行从mysql db获取数据?
SELECT TOP 1 * FROM (SELECT TOP 5 * FROM ads ORDER BY id DESC) ads ORDER BY id DESC
我使用这个查询,但它不能在MySQL中如何从第n行到第n行从mysql db获取数据?
SELECT TOP 1 * FROM (SELECT TOP 5 * FROM ads ORDER BY id DESC) ads ORDER BY id DESC
“顶部”在MySQL不起作用工作。您可以通过以下方式来完成这项工作
SELECT * FROM (SELECT * FROM ads ORDER BY id DESC LIMIT 5) ads ORDER BY id DESC LIMIT 5
您可以使用ORDER BY ... LIMIT {[offset,] row_count | row_count OFFSET offset}
编辑查询(可以说你想获得5个记录从10日 - 10,11,12,13,14):
SELECT * FROM ads
ORDER BY id DESC
LIMIT 10,5
虽然我假设你不想让他们通过id
排序而是由views
或者ORDER BY views DESC
将采取类似的地方标准(不要忘了对views
数增加索引)。
'SELECT * FROM ads ORDER BY id DESC LIMIT 5'或'SELECT * FROM ads ORDER BY id DESC LIMIT startlimit,endlimit' –
从第n行到第n行? –