SQL Clone
SQLServerCentral is supported by Redgate
 
Log in  ::  Register  ::  Not logged in
 
 
 


HAVING without GROUP BY


HAVING without GROUP BY

Author
Message
Hugo Kornelis
Hugo Kornelis
SSC-Dedicated
SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)

Group: General Forum Members
Points: 34536 Visits: 13121
Comments posted to this topic are about the item HAVING without GROUP BY


Hugo Kornelis, SQL Server/Data Platform MVP (2006-2016)
Visit my SQL Server blog: http://sqlblog.com/blogs/hugo_kornelis
b0b555
b0b555
SSC-Addicted
SSC-Addicted (460 reputation)SSC-Addicted (460 reputation)SSC-Addicted (460 reputation)SSC-Addicted (460 reputation)SSC-Addicted (460 reputation)SSC-Addicted (460 reputation)SSC-Addicted (460 reputation)SSC-Addicted (460 reputation)

Group: General Forum Members
Points: 460 Visits: 942
Nice one.
ziangij
ziangij
SSCarpal Tunnel
SSCarpal Tunnel (4.5K reputation)SSCarpal Tunnel (4.5K reputation)SSCarpal Tunnel (4.5K reputation)SSCarpal Tunnel (4.5K reputation)SSCarpal Tunnel (4.5K reputation)SSCarpal Tunnel (4.5K reputation)SSCarpal Tunnel (4.5K reputation)SSCarpal Tunnel (4.5K reputation)

Group: General Forum Members
Points: 4501 Visits: 380
thanks for this wonderful question... :-)
Toby Harman
Toby Harman
SSCrazy
SSCrazy (2.4K reputation)SSCrazy (2.4K reputation)SSCrazy (2.4K reputation)SSCrazy (2.4K reputation)SSCrazy (2.4K reputation)SSCrazy (2.4K reputation)SSCrazy (2.4K reputation)SSCrazy (2.4K reputation)

Group: General Forum Members
Points: 2365 Visits: 673
Nice. Helps if I remember that 6 > 5 Blush
Saurabh Dwivedy
Saurabh Dwivedy
Ten Centuries
Ten Centuries (1.2K reputation)Ten Centuries (1.2K reputation)Ten Centuries (1.2K reputation)Ten Centuries (1.2K reputation)Ten Centuries (1.2K reputation)Ten Centuries (1.2K reputation)Ten Centuries (1.2K reputation)Ten Centuries (1.2K reputation)

Group: General Forum Members
Points: 1174 Visits: 340
Thanks Hugo - this is an awesome question! Tests fundamentals and has appropriate choices as well... Pls keep posting such gems!

Saurabh Dwivedy
___________________________________________________________

My Blog: http://tinyurl.com/dwivedys

For better, quicker answers, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537

Be Happy!
Hugo Kornelis
Hugo Kornelis
SSC-Dedicated
SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)

Group: General Forum Members
Points: 34536 Visits: 13121
Toby Harman (8/30/2010)
Nice. Helps if I remember that 6 > 5 Blush

Laugh I feel your pain. I managed to miss the point as well - on my own question! w00t
Thanks everyone for the nice words!

For those who want to see for themselves, or try playing around with the issue, here is some repro code:
CREATE TABLE #QotD (Col1 int, Col2 int);
go
INSERT INTO #QotD (Col1, Col2)
SELECT 1, 1 UNION ALL
SELECT 1, 2 UNION ALL
SELECT 1, 3 UNION ALL
SELECT 2, 4 UNION ALL
SELECT 2, 5 UNION ALL
SELECT 2, 6;
go
SELECT COUNT(*)
FROM #QotD
WHERE Col2 <> 4
HAVING MAX(Col2) < 5;
go
DROP TABLE #QotD;
go




Hugo Kornelis, SQL Server/Data Platform MVP (2006-2016)
Visit my SQL Server blog: http://sqlblog.com/blogs/hugo_kornelis
Tushar Kanti
Tushar Kanti
SSChasing Mays
SSChasing Mays (610 reputation)SSChasing Mays (610 reputation)SSChasing Mays (610 reputation)SSChasing Mays (610 reputation)SSChasing Mays (610 reputation)SSChasing Mays (610 reputation)SSChasing Mays (610 reputation)SSChasing Mays (610 reputation)

Group: General Forum Members
Points: 610 Visits: 530
Very good question.. I missed my points but learnt something new today.. :-D
Open Minded
Open Minded
SSC Eights!
SSC Eights! (918 reputation)SSC Eights! (918 reputation)SSC Eights! (918 reputation)SSC Eights! (918 reputation)SSC Eights! (918 reputation)SSC Eights! (918 reputation)SSC Eights! (918 reputation)SSC Eights! (918 reputation)

Group: General Forum Members
Points: 918 Visits: 567
Another good one. I have been losing points lately but I don't miss them.

{Sorry, I meant I was losing, not getting, points lately but its alright. Now I hope to remember if I get an SQL gotcha in work for possible QOTD. }
paul.knibbs
paul.knibbs
SSCertifiable
SSCertifiable (8K reputation)SSCertifiable (8K reputation)SSCertifiable (8K reputation)SSCertifiable (8K reputation)SSCertifiable (8K reputation)SSCertifiable (8K reputation)SSCertifiable (8K reputation)SSCertifiable (8K reputation)

Group: General Forum Members
Points: 7994 Visits: 6240
I was expecting an answer of 3 or 5, but I wasn't sure which, so I created a temporary table to check--was somewhat surprised to see no rows at all returned, but now Hugo has explained the answer I see the logic.
ronmoses
ronmoses
SSCrazy
SSCrazy (2.6K reputation)SSCrazy (2.6K reputation)SSCrazy (2.6K reputation)SSCrazy (2.6K reputation)SSCrazy (2.6K reputation)SSCrazy (2.6K reputation)SSCrazy (2.6K reputation)SSCrazy (2.6K reputation)

Group: General Forum Members
Points: 2632 Visits: 1023
Great question. I was torn between the correct answer and the single record returning 0... I don't mind having gotten it wrong. :-D

ron

-----
a haiku...

NULL is not zero
NULL is not an empty string
NULL is the unknown

Go


Permissions

You can't post new topics.
You can't post topic replies.
You can't post new polls.
You can't post replies to polls.
You can't edit your own topics.
You can't delete your own topics.
You can't edit other topics.
You can't delete other topics.
You can't edit your own posts.
You can't edit other posts.
You can't delete your own posts.
You can't delete other posts.
You can't post events.
You can't edit your own events.
You can't edit other events.
You can't delete your own events.
You can't delete other events.
You can't send private messages.
You can't send emails.
You can read topics.
You can't vote in polls.
You can't upload attachments.
You can download attachments.
You can't post HTML code.
You can't edit HTML code.
You can't post IFCode.
You can't post JavaScript.
You can post emoticons.
You can't post or upload images.

Select a forum








































































































































































SQLServerCentral


Search