April 20, 2010 at 9:26 pm
Good Afternoon
I believe that a legacy 80 compat db currently running on 2005 should work on a new install of 2008, but I wanted to hear about the pros and cons of doing so ?
Thanks in Advance
April 20, 2010 at 9:35 pm
No difference in how it will work. The 2008 instance will change the file format since that's the engine code, but the interpreter will handle code just like the 2005 instance.
April 21, 2010 at 12:34 am
80 compatibility can exists on 2008 also. but unless you change the compatibility to 2008 you can not take advantage of new features of 2008.
April 27, 2010 at 9:03 pm
Thank you for the replies. I will put forward an argument with management that the dbs really need to upgraded to take full advantage of the 2008 functionality, but we could do it db by db rather than all at one time.
Adonia
April 28, 2010 at 5:02 am
actually you can use some of the 2008 functions even if the db is in 2000 mode
we found this when our devs started checking in 2008 code into our 2000 mode databases
i can't give you a definitive list, but basically as long as it's not anything to do with a physical column (ie hierarchy data type etc ) then you can use it - for example you can use RANK OVER functions when in 2000 mode
MVDBA
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