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 advantages of changing compatibility level

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sunsanvin
Master Smack Fu Yak Hacker

1274 Posts

Posted - 2008-06-12 : 01:24:09
Dear All,
what are the advantages of changing compatibility level from 80 to 90? are there any disadvantages doing this on production machine? will it take any downtime?
i've searched the google but i didnt get the correct info.

Arnav
Even you learn 1%, Learn it with 100% confidence.

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2008-06-12 : 01:34:17
Changing compatability level to 90 will enable you to use many new features of SQL 2005 like PIVOT,APPLY,etc. The compatability level of 80 corresponds to SQL 2000.
The disadvantages are any code which uses features that is not supported by SQL 2005 will break (like use of join syntax *=,=*,...) and also some of features of 2000 which is not supported by 2005.
For detailed info on differences in behaviour refer this

http://msdn.microsoft.com/en-us/library/ms178653.aspx
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madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2008-06-12 : 09:35:44
http://sqlblogcasts.com/blogs/madhivanan/archive/2007/10/12/behaviour-changes-in-sql-server-2005.aspx

Madhivanan

Failing to plan is Planning to fail
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