作者Luphia (雨路)
看板Database
标题Re: [SQL ] 资料库资料比对的问题
时间Sat Feb 12 22:43:55 2011
※ 引述《pipibabe (pipi)》之铭言:
: ID PICID SCORE
: --------------------------
: 01 1 2
: 01 2 2
: 01 4 1
: 02 1 2
: 02 2 1
: 02 4 2
假设表格名称是 mytable
SELECT *
FROM mytable
WHERE PICID IN (
SELECT DISTINCT a.PICID
FROM mytable a, mytable b
WHERE a.PICID = b.PICID
AND a.ID = '01'
AND b.ID = '02'
)
两题做法雷同
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 114.36.40.229
1F:推 pipibabe:谢谢! 02/12 23:29
2F:→ tedcat:你这样会把其他id若是picid只有1 or 2 or 4的也捞出来吧? 02/13 12:49
3F:→ tedcat: id=03, picid=1 也会被捞出来 02/13 12:54
4F:→ Luphia:AND ID IN ('01', '02') 颧那最後再加一行XD 02/13 12:55