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sub select

Author

Topic

tjbarr
Starting Member

8 Posts

Posted - 2008-10-23 : 12:11:24

id giftdate
1 9/1/2008
1 9/1/2007
1 5/4/2004
2 8/6/2008
2 8/6/2007
3 4/3/2003
3 4/3/2002
4 4/3/2008
5 4/3/2007
I want a query with a sub selet to give me all id that gave more than 1 gift with at least one gift within 2007 or 2008.

Lamprey
Master Smack Fu Yak Hacker

4614 Posts

Posted - 2008-10-23 : 12:38:33

SELECT ID
FROM MyTable
WHERE GiftDate > '20070101'
AND GiftDate < '20090101'
GROUP BY ID
HAVING COUNT(ID) > 0

hanbingl
Aged Yak Warrior

652 Posts

Posted - 2008-10-23 : 12:41:16

FIXED:

quote:
Originally posted by Lamprey

SELECT ID
FROM MyTable
WHERE GiftDate >= '20070101'
AND GiftDate < '20090101'
GROUP BY ID
HAVING COUNT(ID) > 1

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2008-10-23 : 12:46:08

or is it this?

SELECT ID
FROM MyTable
GROUP BY ID
HAVING COUNT(CASE WHEN GiftDate > '20070101' 
AND GiftDate < '20090101' THEN ID ELSE NULL END) >= 1

madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2008-10-24 : 03:12:10

quote:

Originally posted by visakh16

or is it this?

SELECT ID
FROM MyTable
GROUP BY ID
HAVING COUNT(CASE WHEN GiftDate > '20070101' 
AND GiftDate < '20090101' THEN ID ELSE NULL END) >= 1

GiftDate > '20070101'
should be
GiftDate >= '20070101'

Madhivanan

Failing to plan is Planning to fail

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2008-10-24 : 03:41:09

Won't work.
What if one gift is made 2006 and one gift is made 2008?

SELECT		ID
FROM		MyTable
GROUP BY	ID
HAVING		SUM(CASE WHEN GiftDate >= '20070101' AND GiftDate < '20090101' THEN 1 ELSE 0 END) > 0 -- Át least one gift during 2007 and 2008
		AND COUNT(*) > 1 -- And at least two gifts in total, all according to OP spec

E 12°55'05.63"
N 56°04'39.26"

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2008-10-24 : 03:59:59

quote:
Originally posted by Peso

Won't work.
What if one gift is made 2006 and one gift is made 2008?

SELECT ID
FROM MyTable
GROUP BY ID
HAVING SUM(CASE WHEN GiftDate >= '20070101' AND GiftDate < '20090101' THEN 1 ELSE 0 END) > 0 -- Át least one gift during 2007 and 2008
AND COUNT(*) > 1 -- And at least two gifts in total, all according to OP spec

E 12°55'05.63"
N 56°04'39.26"

yup thats right. I had missed that. thanks for spotting it

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