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Discuss content posted by Chris Nowicki
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Random problems
58 posts, Page 6 of 6
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christian_nowicki
christian_nowicki
Posted Wednesday, June 10, 2009 8:58 PM
Forum Newbie
Group: General Forum Members
Last Login: Friday, March 11, 2011 8:48 AM
Points: 2,
Visits: 3
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.
Post #732724
Jeff Moden
Jeff Moden
Posted Wednesday, June 10, 2009 9:35 PM
SSC-Dedicated
Group: General Forum Members
Last Login: Yesterday @ 8:21 PM
Points: 32,893,
Visits: 26,765
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 "
R
ow-
B
y-
A
gonizing-
R
ow".
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."
For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/
For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/
Post #732732
benoit.rocco
benoit.rocco
Posted Thursday, June 11, 2009 5:30 AM
Forum Newbie
Group: General Forum Members
Last Login: Thursday, December 15, 2011 4:04 AM
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) ?
Post #732934
SwePeso
SwePeso
Posted Thursday, June 11, 2009 5:44 AM
SSCrazy
Group: General Forum Members
Last Login: Monday, May 06, 2013 1:26 PM
Points: 2,359,
Visits: 3,292
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"
Post #732943
benoit.rocco
benoit.rocco
Posted Thursday, June 11, 2009 3:08 PM
Forum Newbie
Group: General Forum Members
Last Login: Thursday, December 15, 2011 4:04 AM
Points: 4,
Visits: 12
Thank you very much for your answer but I already found the response. I deleted my message but apparently it didn't work.
Post #733371
Jeff Moden
Jeff Moden
Posted Thursday, June 11, 2009 9:19 PM
SSC-Dedicated
Group: General Forum Members
Last Login: Yesterday @ 8:21 PM
Points: 32,893,
Visits: 26,765
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 "
R
ow-
B
y-
A
gonizing-
R
ow".
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."
For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/
For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/
Post #733482
benoit.rocco
benoit.rocco
Posted Saturday, June 13, 2009 5:06 AM
Forum Newbie
Group: General Forum Members
Last Login: Thursday, December 15, 2011 4:04 AM
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 ^^
Post #734307
Jeff Moden
Jeff Moden
Posted Saturday, June 13, 2009 11:08 AM
SSC-Dedicated
Group: General Forum Members
Last Login: Yesterday @ 8:21 PM
Points: 32,893,
Visits: 26,765
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 "
R
ow-
B
y-
A
gonizing-
R
ow".
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."
For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/
For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/
Post #734381
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