[dba-SQLServer] Rebuild as opposed to reorganize

Arthur Fuller fuller.artful at gmail.com
Mon Sep 5 13:12:23 CDT 2011


Good to go.
A.

On Mon, Sep 5, 2011 at 1:56 PM, jwcolby <jwcolby at colbyconsulting.com> wrote:

> In the process of compressing the indexes on my tables, I end up with about
> 50% empty space in the database.  As these are more or less read-only
> databases, large, and reside on expensive SSD, I am doing a dbcc
> ShrinkDatabase and then reorganizing the indexes.
>
> I am doing something like the following:
>
> ALTER TABLE [dbo].[AZData] REBUILD PARTITION = ALL WITH (DATA_COMPRESSION =
> PAGE)
> ALTER INDEX [IX_Clustered] ON [dbo].[AZData] REBUILD PARTITION = ALL WITH
> (FILLFACTOR = 100, DATA_COMPRESSION = PAGE)
> ALTER INDEX [IX_AZUpdated] ON [dbo].[AZData] REBUILD PARTITION = ALL WITH
> (FILLFACTOR = 100, DATA_COMPRESSION = PAGE)
> DBCC SHRINKDATABASE (0)
> ALTER INDEX [IX_Clustered] ON [dbo].[AZData] REORGANIZE PARTITION = ALL
> ALTER INDEX [IX_AZUpdated] ON [dbo].[AZData] REORGANIZE PARTITION = ALL
>
>
> In my reading I see people say that a rebuild is "more efficient" than
> reorganize.  They also say however that the reorganize does not cause
> re-expansion of the database container whereas the rebuild does.  What I am
> not finding is whether the rebuild leaves a faster index than a reorganize.
>
> The tables all have a clustered index as well as any other cover indexes.
>  When I am finished I get 0.01% fragmentation on the indexes and very little
> empty space in the database.
>
> Am I good to go here or am I missing something?
>
> --
> John W. Colby
>
>



More information about the dba-SQLServer mailing list