Fun with RAND()

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Fun with RAND()

Dave62

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November 4, 2014 at 9:51 pm

#312690

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November 5, 2014 at 1:18 am

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Koen Verbeeck SSC Guru Points: 258995 More actions · Answer 1

Great question, thanks.

Need an answer? No, you need a question
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RKaram SSCommitted Points: 1518 More actions · Answer 2

RKaram

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November 5, 2014 at 3:26 am

#1756689

Smart question :-):-)

thank you Dave

rabih

rkaram

palotaiarpad SSCertifiable Points: 5615 More actions · Answer 3

I hate myself not to read the relation correctly! 😀

SqlMel SSCrazy Points: 2891 More actions · Answer 4

Very good question. Thanks.

I almost got it wrong but I realized in time that the loop had a "<" and not "<="

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Mel. 😎

Ed Wagner SSC Guru Points: 287011 More actions · Answer 5

SqlMel (11/5/2014)
Very good question. Thanks.
I almost got it wrong but I realized in time that the loop had a "<" and not "<="

That's what got me. Need more coffee.

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alvertorave Newbie Points: 9 More actions · Answer 6

I think the answer is wrong, you can only have 1 row, but you can execute the select 0 to 9 times returning a single row.

akljfhnlaflkj SSC Guru Points: 76202 More actions · Answer 7

akljfhnlaflkj

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Points: 76202

November 5, 2014 at 6:32 am

#1756738

Nice question, thank you.

freeheel SSCrazy Points: 2404 More actions · Answer 8

alvertorave (11/5/2014)
I think the answer is wrong, you can only have 1 row, but you can execute the select 0 to 9 times returning a single row.

my thought exactly. i got it right, but ...

Brian.Klinect Mr or Mrs. 500 Points: 592 More actions · Answer 9

I forgot RAND() was exclusive. So we can get .99999..., which multiplies to 9.999999..... I take it then that storing a floating point number as an integer just truncates in SQL?

stephen.long.1 SSCrazy Points: 2581 More actions · Answer 10

Nice question, Dave, and a good explanation. Thanks!

Dana Medley SSCertifiable Points: 6764 More actions · Answer 11

Ed Wagner (11/5/2014)
SqlMel (11/5/2014)
Very good question. Thanks.
I almost got it wrong but I realized in time that the loop had a "<" and not "<="
That's what got me. Need more coffee.

Almost got me too. Thanks for the question.

Everything is awesome!

david.gugg SSCertifiable Points: 5696 More actions · Answer 12

Fun questions, thank you.

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Mike Hays SSCommitted Points: 1871 More actions · Answer 13

Interesting Question, I ran it a couple of time to see the different results...