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Random problems


Random problems

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christian_nowicki
christian_nowicki
Grasshopper
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Peso (6/9/2009)
And it's also well established that

ABS(CHECKSUM(NEWID())) % 100

gives random numbers between 0 and 99 with very high, good and even distribution.


I like this solution - it is simpler than the one I proposed.
Jeff Moden
Jeff Moden
SSC-Forever
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christian_nowicki (6/10/2009)
Peso (6/9/2009)
And it's also well established that

ABS(CHECKSUM(NEWID())) % 100

gives random numbers between 0 and 99 with very high, good and even distribution.


I like this solution - it is simpler than the one I proposed.


Well done, Chris! Takes a hell of a good person to say such a thing in the discussion of their own article. There should be more like you.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

Helpful Links:
How to post code problems
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benoit.rocco
benoit.rocco
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Points: 4 Visits: 12
Hello, I've found this article very interesting but I can't find the Row_Number() function. Is it part of SQL Server 2k8 (I've only 2k5) ?
SwePeso
SwePeso
SSCrazy
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ROW_NUMBER() was introduced with SQL Server 2005 and need the compatibiity level set to 90 or higher.


N 56°04'39.16"
E 12°55'05.25"
benoit.rocco
benoit.rocco
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Thank you very much for your answer but I already found the response. I deleted my message but apparently it didn't work.
Jeff Moden
Jeff Moden
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benoit.rocco (6/11/2009)
Thank you very much for your answer but I already found the response. I deleted my message but apparently it didn't work.


Cool. Tell us what it was. Two way street here. ;-)

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

Helpful Links:
How to post code problems
How to post performance problems
Forum FAQs
benoit.rocco
benoit.rocco
Forum Newbie
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Group: General Forum Members
Points: 4 Visits: 12
I was using SQL Server Management Studio, but connected to a SQL2000 server, it's for that reason the function ROW_NUMBER() didn't exist ^^
Jeff Moden
Jeff Moden
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benoit.rocco (6/13/2009)
I was using SQL Server Management Studio, but connected to a SQL2000 server, it's for that reason the function ROW_NUMBER() didn't exist ^^


Ah... thank you Benoit. That would certainly do it.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

Helpful Links:
How to post code problems
How to post performance problems
Forum FAQs
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