> For the complete documentation index, see [llms.txt](https://docs.deltastream.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.deltastream.io/reference/sql-syntax/query/change-data-capture-cdc.md).

# Change Data Capture (CDC)

DeltaStream supports CDC pipelines for the following source systems:

* [PostgreSQL](/reference/sql-syntax/query/change-data-capture-cdc/postgresql.md)
* [MongoDB](/reference/sql-syntax/query/change-data-capture-cdc/mongodb.md)
* [Oracle](/reference/sql-syntax/query/change-data-capture-cdc/oracle.md)