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SQL 2000 defrag index's

Posted on 2006-12-01
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Last Modified: 2008-03-06
I have a script to defrag some indexes however after building a list an a temp table it does the following to select which indexes to defrag:

SELECT ObjectName, ObjectId, IndexId, LogicalFrag
   FROM #fraglist
   WHERE LogicalFrag >= 25
     AND INDEXPROPERTY (ObjectId, IndexName, 'IndexDepth') > 0

This only returns one row but on inspection there are loads of indexes with a crap scan density, my question is this:

If i remove :

 AND INDEXPROPERTY (ObjectId, IndexName, 'IndexDepth') > 0

And just defrag all of the indexes with fragmentation > 25 will this cause any problems or will this work with out issue. In summary do I need to do the second check on the index properties and if I remove it am I safe to defrag all the indexes?

Cheers
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Question by:Netstore
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3 Comments
 
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lluthien earned 2000 total points
ID: 18053044
if you remove the indexdepth check,
you will _not_ skip the systemtables.

so you'd have to figure out another away around that,

   WHERE LogicalFrag >= 25

are you sure you're checking the right fragmentation percentage?

this link has some background info:
http://www.sql-server-performance.com/tp_automatic_reindexing.asp
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