Airbyte is an open-source data integration engine that helps you consolidate your data in your data warehouses, lakes and databases.

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Is there documentation for how change data capture is represented inside airbyte protocol? I can’t find it after searching everywhere 

what do you mean by change data capture?
edit: i got it <https://docs.airbyte.com/understanding-airbyte/cdc/>

<https://airbyte.com/tutorials/incremental-change-data-capture-cdc-replication#set-up-the-cdc-connection-with-incremental-dedupe-synchronization|This article on CDC replication >shows how the data is represented as JSON. Have a look for `_airbyte_data` to see the JSON objects that are created by the protocol for the given example.

Interesting. What does the “lsn “ in _ab_cdc_lsn stand for?

And is it possible for the underscored fields to conflict with field in source data if they happen to be called “_ab_cdc_lsn”?

Gotcha. Are conflicts possible between reserved fields and source data?