日期:2014-05-17 浏览次数:20451 次
SELECT 号码,时间,次数=(ROW_NUMBER()OVER(PARTITION BY 号码,ORDER BY 时间))-1
FROM TABLEA ),
A2 AS(
SELECT 号码,MIN(时间)
FROM TABLEA
GROUP BY 号码
DECLARE @t table
(
number varchar(10),
cdate datetime
)
INSERT INTO @t
SELECT '123', '2012/2/13 16:23:12'
UNION
SELECT '234', '2012/2/25 16:23:12'
UNION
SELECT '123', '2012/5/13 16:23:12'
UNION
SELECT '235', '2011/2/13 16:23:12'
UNION
SELECT '321', '2012/1/15 16:23:12'
UNION
SELECT '234', '2012/2/17 16:23:12'
UNION
SELECT '123', '2012/2/13 20:11:01'
UNION
SELECT '321', '2012/1/10 16:23:12'
SELECT t1.number,t1.cdate, COUNT(t2.number)+1
FROM @t t1
LEFT JOIN @t t2
ON t1.number=t2.number AND t1.cdate>t2.cdate
GROUP BY t1.number, t1.cdate, t2.number