sqlserver去重

select count(*) as H from (select user_id, ROW_NUMBER() OVER (PARTITION BY tb.user_id order by tb.id) rn from? tb where user_id>0) T where rn =1

<dl id="qwsye"><dd id="qwsye"></dd></dl><s id="qwsye"></s>

亚洲一区欧美在线|99久久精品视香蕉蕉|久久国产美女精品久久|亚洲日韩va无码中文字幕|国精产品一区二区三区有限|亚洲午夜成人精品无码软件|伊人久久久222成人综合网|亚洲一区二区不卡视频在线观看