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 change compability level

Author  Topic 

magmo
Aged Yak Warrior

558 Posts

Posted - 2014-05-19 : 07:38:26
Hi

I have a database thats currently in a SQL Server 2008 set to compability level 80 (Sql Server 200), what happends if I change it to compability level = sql server 2008? Can the database stop working or what do I need to consider?

khtan
In (Som, Ni, Yak)

17689 Posts

Posted - 2014-05-19 : 08:16:26
there is a database upgrade advisor http://technet.microsoft.com/en-us/library/ms144256%28sql.105%29.aspx

I have never used that before, it probably can help to analyze your database and give you the required information

whatever it is, the best way is still do it in your test environment and test out your application


KH
[spoiler]Time is always against us[/spoiler]

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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2014-05-19 : 12:12:19
The database won't stop, but your application might. As KH mentioned, you need to test this first to ensure that your application is working properly. There's a possibility you may need to make a code change in order to support a higher compatibility level.

Tara Kizer
SQL Server MVP since 2007
http://weblogs.sqlteam.com/tarad/
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jackv
Master Smack Fu Yak Hacker

2179 Posts

Posted - 2014-05-20 : 01:38:58
The Upgrade Advisor is a good source of information re: compatibility levels. Basically , the compatibility level will let you use older features of SQL Server - therefore if you up the compatibility level, you may break your app. Some more information on using compatibility levels: http://www.sqlserver-dba.com/2014/01/compatibility-level.html



Jack Vamvas
--------------------
http://www.sqlserver-dba.com
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