You are here: Re: NEWID() « MsSQL Server « IT news, forums, messages
Re: NEWID()

Posted by Erland Sommarskog on 11/16/05 01:11

Eugene Anthony (solomon_13000@yahoo.com) writes:
> Is there a limitation of using:
>
> set @sessionID = NEWID()
>
> would there be a simular NEWID() being generated if used in a database
> application.

It's not exactly clear what you are asking, but if I take wild guess
and the question is whether the same GUID can be generated twice, the
answer is that the likelyhood for this is negligible, 2^-128 is a
very small number.
--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx

 

Navigation:

[Reply to this message]


Удаленная работа для программистов  •  Как заработать на Google AdSense  •  England, UK  •  статьи на английском  •  PHP MySQL CMS Apache Oscommerce  •  Online Business Knowledge Base  •  DVD MP3 AVI MP4 players codecs conversion help
Home  •  Search  •  Site Map  •  Set as Homepage  •  Add to Favourites

Copyright © 2005-2006 Powered by Custom PHP Programming

Сайт изготовлен в Студии Валентина Петручека
изготовление и поддержка веб-сайтов, разработка программного обеспечения, поисковая оптимизация