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Shrink Database Task (Maintenance Plan)

Updated: 17 July 2006

Use the Shrink Database Task dialog to create a task that attempts to reduce the size of the selected databases. Use the options below to determine the amount of unused space to remain in the database after the database is shrunk (the larger the percentage, the less the database can shrink). The value is based on the percentage of the actual data in the database. For example, a 100-MB database containing 60 MB of data and 40 MB of free space, with a free space percentage of 50 percent, would result in 60 MB of data and 30 MB of free space (because 50 percent of 60 MB is 30 MB). Only excess space in the database is eliminated. Valid values are from 0 through 100.

This task executes the DBCC SHRINKDATABASE statement.

Connection

Select the server connection to use when performing this task.

New

Create a new server connection to use when performing this task. The New Connection dialog box is described below.

Databases

Specify the databases affected by this task.

  • All databases
    Generate a maintenance plan that runs maintenance tasks against all Microsoft SQL Server databases except tempdb.
  • All system databases
    Generate a maintenance plan that runs maintenance tasks against each of the SQL Server system databases except tempdb. No maintenance tasks are run against user-created databases.
  • All user databases
    Generate a maintenance plan that runs maintenance tasks against all user-created databases. No maintenance tasks are run against the SQL Server system databases.
  • These databases
    Generate a maintenance plan that runs maintenance tasks against only those databases that are selected. At least one database in the list must be selected if this option is chosen.
    ms188432.note(en-US,SQL.90).gifNote:
    Maintenance plans only run against databases set to compatibility level 80 or higher. Databases set to compatibility level 70 or lower are not displayed.

Shrink database when it grows beyond

Specify the size in megabytes that causes the task to execute.

Amount of free space to remain after shrink

Stop shrinking when free space in database files reaches this size.

View T-SQL

View the Transact-SQL statements performed against the server for this task, based on the selected options.

ms188432.note(en-US,SQL.90).gifNote:
When the number of objects affected is large, this display can take a considerable amount of time.

Connection name

Enter a name for the new connection.

Select or enter a server name

Select a server to connect to when performing this task.

Refresh

Refresh the list of available servers.

Enter information to log on to the server

Specify how to authenticate against the server.

Use Windows NT Integrated security

Connect to an instance of the SQL Server Database Engine with Microsoft Windows Authentication.

Use a specific user name and password

Connect to an instance of the SQL Server Database Engine using SQL Server Authentication. This option is not available.

User name

Provide a SQL Server login to use when authenticating. This option is not available.

Password

Provide a password to use when authenticating. This option is not available.

Release History

17 July 2006

New content:
  • Added note about compatibility levels.

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