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cdc.ddl_history (Transact-SQL)

Returns one row for each data definition language (DDL) change made to tables that are enabled for change data capture. You can use this table to determine when a DDL change occurred on a source table and what the change was. Source tables that have not had DDL changes will not have entries in this table.

We recommend that you do not query the system tables directly. Instead, execute the sys.sp_cdc_get_ddl_history stored procedure.

Applies to: SQL Server (SQL Server 2008 through current version).

Column name

Data type

Description

source_object_id

int

ID of the source table to which the DDL change was applied.

object_id

int

ID of the change table associated with a capture instance for the source table.

required_column_update

bit

Indicates that the data type of a captured column was modified in the source table. This modification altered the column in the change table.

ddl_command

nvarchar(max)

DDL statement applied to the source table.

ddl_lsn

binary(10)

Log sequence number (LSN) associated with the commitment of the DDL modification.

ddl_time

datetime

Date and time that the DDL change was made to the source table.

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