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Information about the Maintenance Plan Wizard in SQL Server 2005 and about tasks that administrators can perform against SharePoint databases

Article ID: 932744 - View products that this article applies to.

INTRODUCTION

This article contains information about the Maintenance Plan Wizard in Microsoft SQL Server 2005. This article also describes the tasks that you can perform in SQL Server 2005 if you are an administrator who manages databases in the following products:

Microsoft Office SharePoint Server 2007
Microsoft Office SharePoint Portal Server 2003
Microsoft Windows SharePoint Services 3.0
Microsoft Windows SharePoint Services 2.0

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MORE INFORMATION

The Maintenance Plan Wizard in SQL Server 2005 enables administrators to perform the following maintenance tasks against SharePoint databases:

Check database integrity
Reduce a database
Reorganize an index
Clean up the history
Update statistics
Rebuild an index

We have tested these tasks and the effects that these tasks have on database schema and performance. The following table summarizes the results of these tests.

Collapse this tableExpand this table

Task	Safe to perform this task?
Check database	Yes
Reduce a database	Yes
Reorganize an index	Yes
Clean up the history	Yes
Update statistics	Yes. However, this task is unnecessary because the SharePoint Timer service performs this task automatically.
Rebuild an index	No. The task does not restore existing index options before the rebuild operation. However, you can use scripts that restore index options. Note This problem was corrected in SQL Server 2005 Service Pack 2.

We used the following criteria to determine whether a task was safe to perform:

Whether the task modified the database schema from its default state
Whether the task decreased performance

Results may vary depending on the environment. However, if you use the Maintenance Plan Wizard to perform the tasks that are listed in the table as "safe to perform," you are likely to experience increased performance in SQL Server 2005.

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REFERENCES

For more information about support for changes to the databases that are used by Microsoft Office server products and by Windows SharePoint Services, click the following article number to view the article in the Microsoft Knowledge Base:

841057

(http://support.microsoft.com/kb/841057/ )

Support for changes to the databases that are used by Office server products and by Windows SharePoint Services

For more information about issues that occur in SharePoint Server 2007 or SharePoint Portal Server 2003 when you use the Rebuild index task in SQL Server 2005, click the following article number to view the article in the Microsoft Knowledge Base:

930887

(http://support.microsoft.com/kb/930887/ )

You experience issues with portal alerts in SharePoint Portal Server 2003 or with search performance in SharePoint Server 2007 after you create SQL Server 2005 maintenance plans

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