Wednesday, March 7, 2012

Index Defragmentation

None of the system tables in our databases have a significant number of
pages, and I can't see there would be many scans happening, but in the
interests of completeness should system tables be defragmented if they show
high fragmentation?Hi Ben
I would say yes, they are no different to any other table in that respect
and should be optimized in a similar way. Unfortunately you can't run DBCC
INDEXDEFRAG or DBCC DBREINDEX on system tables, so you will have to hope tha
t
the system has it's own way of keeping these tables in tune.
John
"BenUK" wrote:

> None of the system tables in our databases have a significant number of
> pages, and I can't see there would be many scans happening, but in the
> interests of completeness should system tables be defragmented if they sho
w
> high fragmentation?
>

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