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Change Data Capture Tables (Transact-SQL)

Change data capture enables change tracking on tables so that data manipulation language (DML) and data definition language (DDL) changes made to the tables can be incrementally loaded into a data warehouse. The topics in this section describe the system tables that store information used by change data capture operations.

cdc.<capture_instance>_CT

Returns one row for each change made to a captured column in the associated source table.

cdc.captured_columns

Returns one row for each column tracked in a capture instance.

cdc.change_tables

Returns one row for each change table in the database.

cdc.ddl_history

Returns one row for each data definition language (DDL) change made to tables that are enabled for change data capture.

cdc.lsn_time_mapping

Returns one row for each transaction having rows in a change table. This table is used to map between log sequence number (LSN) commit values and the time the transaction committed.

cdc.index_columns

Returns one row for each index column associated with a change table.

dbo.cdc_jobs (Transact-SQL)

Returns the configuration parameters for change data capture agent jobs.

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