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Merged
merged 2 commits into from
Aug 7, 2024
Merged

Adding RETL source Q #6908

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4940868
adding RETL source FAQ
forstisabella Aug 6, 2024
f75933e
fix q title
forstisabella Aug 6, 2024
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9 changes: 9 additions & 0 deletions src/connections/reverse-etl/index.md
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Expand Up @@ -354,6 +354,15 @@ Column JSON size | The maximum size of any single column value. | 128 KiB

## FAQs

#### What warehouse data sources does Segment support?
Segment supports the following sources:
* [Azure](/docs/connections/reverse-etl/reverse-etl-source-setup-guides/azure-setup/)
* [BigQuery](/docs/connections/reverse-etl/reverse-etl-source-setup-guides/bigquery-setup/)
* [Databricks](/docs/connections/reverse-etl/reverse-etl-source-setup-guides/databricks-setup/)
* [Postgres](/docs/connections/reverse-etl/reverse-etl-source-setup-guides/postgres-setup/)
* [Redshift](/docs/connections/reverse-etl/reverse-etl-source-setup-guides/redshift-setup/)
* [Snowflake](/docs/connections/reverse-etl/reverse-etl-source-setup-guides/snowflake-setup/)

#### Why do my sync results show *No records extracted* when I select *Updated records* after I enable the mapping?
It's expected that when you select **Updated records** the records do not change after the first sync. During the first sync, the reverse ETL system calculates a snapshot of all the results and creates records in the `_segment_reverse_etl` schema. All the records are considered as *Added records* instead of *Updated records* at this time. The records can only meet the *Updated records* condition when the underlying values change after the first sync completes.

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