# tDB2CDC

Extracts the changes done to the source operational data and makes them available to the target system(s) using database CDC views.

tDB2CDC extracts the data from a source system which has changed since the last extraction and transports it to another/other system(s).

Information noteNote: If batch processing is enabled in the Job, the component cannot capture the order of changes and the source and target databases will not be synchronized.

### In this section

* [tDB2CDC Standard properties](https://help.qlik.com/talend/en-US/components/7.2/change-data-capture/tdb2cdc-standard-properties)