The following article illustrates the process of delta table extractions using the TableCDC component.
Table CDC Process #
The depicted graphic illustrates the processes in both the Xtract product and in SAP. Open the graphic in a new tab to zoom in.
The delta mechanism of TableCDC includes the following processes:
- Lookup process to read SAP metadata for the definition of the TableCDC extraction.
- CDC watch process to create a database trigger on the source table and to create the corresponding log table in SAP.
- Synchronize data process to run the TableCDC extractions regularly.
Tip: Use the SAP transaction DB02 to view all triggers of TableCDC log tables in SAP.