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Check Database Integrity Task (Maintenance Plan)

 

Applies To: SQL Server 2016

THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008)noAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

Use the Check Database Integrity Task dialog to check the allocation and structural integrity of user and system tables, and indexes in the database, by running the DBCC CHECKDBTransact-SQL statement. Running DBCC ensures that any integrity problems with the database are reported, thereby allowing them to be addressed later by a system administrator or database owner.

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 specific 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.

    System_CAPS_ICON_note.jpg Note


    Maintenance plans only run against databases set to compatibility level 80 or higher. Databases set to compatibility level 70 or lower are not displayed.

Include indexes
Check the integrity of all the index pages as well as the table data pages.

Physical only
Limits the check to the integrity of the physical structure of the page, record headers, and the allocation consistency of the database. Using this option may reduce run-time for DBCC CHECKDB on large databases, and is recommended for frequent use on production systems.

Tablock
Causes DBCC CHECKDB to obtain locks instead of using an internal database snapshot. This includes a short-term exclusive (X) lock on the database. Using this option may help DBCC CHECKDB run faster on a database under heavy load, but decreases the concurrency available on the database while DBCC CHECKDB is running.

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

System_CAPS_ICON_note.jpg Note


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 integrated security
Connect to an instance of the SQL Server Database Engine with 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.

DBCC CHECKDB (Transact-SQL)

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