December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2012 Unleashed
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Enabling CDC for a Database
Before you can begin capturing data changes for a table, you must first enable the database for Change Data Capture. You do this by running the stored procedure sys.sp_cdc_enable_db within the desired database context. When a database is enabled for Change Data Capture, the CDC schema, CDC user, and metadata tables, as well as the system functions, are used to query for change data.
Note
To determine whether a database is already enabled for CDC, you can check the value in the is_cdc_enabled column in the sys.databases catalog view. A value of 1 indicates that CDC is enabled for the specified database.
The following SQL code enables CDC for the AdventureWorks2012 database and then checks that CDC is enabled by querying ...