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 Generating Random String
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Michael Valentine Jones
Yak DBA Kernel (pronounced Colonel)

7020 Posts

Posted - 09/19/2006 :  17:59:46  Show Profile  Reply with Quote
Originally posted by PSamsig

It works in 2005, no dublicates, but i guess that isnt a surprise. I find it scary though, that TOP 100 PERCENT actually affects the query plan ... isnt that a bug in it self?

-- The Heisenberg uncertainty principle also applies when debugging

It's good to hear that it works OK in 2005.

It caused me some real trouble over here:
Random Integer, Sample, and Datetime Functions

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Constraint Violating Yak Guru

384 Posts

Posted - 09/19/2006 :  18:23:13  Show Profile  Send PSamsig a Yahoo! Message  Reply with Quote
Sorry I hadnt read that tread before, or I would have tested it earlier. The bright side of it is that you can now answer Arnold, your original approach is portable between 2000 and 2005, and his isnt

-- The Heisenberg uncertainty principle also applies when debugging
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Starting Member

1 Posts

Posted - 12/11/2012 :  15:47:43  Show Profile  Reply with Quote
How could I use this code in a loop to insert a unique random value into each row of the table.
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Flowing Fount of Yak Knowledge

2875 Posts

Posted - 12/12/2012 :  07:42:54  Show Profile  Reply with Quote
I wouldn't do this in a loop

UPDATE yourTable
SET yourColumn = rand(checksum(newid()))


Everyday I learn something that somebody else already knew
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Starting Member

1 Posts

Posted - 12/17/2012 :  03:07:07  Show Profile  Reply with Quote
thank you for your posts

Edited by - Law2son8 on 12/17/2012 03:07:57
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