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Adding clarity on permissions when using the same user from destination #7521

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Mar 27, 2025
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Adding clarity on permissions when using the same user from destination #7521

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Adding clarity on permissions when using the same user from destination
charholt Mar 25, 2025
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forstisabella Mar 27, 2025
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8 changes: 7 additions & 1 deletion src/connections/reverse-etl/reverse-etl-source-setup-guides/postgres-setup.md
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Expand Up @@ -40,4 +40,10 @@ To set up Postgres with Reverse ETL:

* Give the `segment` user write permissions for the Segment managed schema (`__SEGMENT_REVERSE_ETL`), which keeps track of changes to the query results.

After you've successfully added your Postgres source, [add a model](/docs/connections/reverse-etl/setup/#step-2-add-a-model) and follow the rest of the steps in the Reverse ETL setup guide.
After you've successfully added your Postgres source, [add a model](/docs/connections/reverse-etl/setup/#step-2-add-a-model) and follow the rest of the steps in the Reverse ETL setup guide.

### How to use the same user for a Postgres destination and Reverse ETL source
If you’re using the same database user for both a Segment [Postgres warehouse destination](/docs/connections/storage/catalog/postgres/) (where Segment writes data into Postgres) and Reverse ETL source (where Segment reads data from Postgres), make sure the user has:
- SELECT or READ access on all source tables for Reverse ETL
- CREATE SCHEMA `__SEGMENT_REVERSE_ETL` permission (or ability to use an existing schema)
- INSERT, UPDATE, and DELETE permissions on tables within `__SEGMENT_REVERSE_ETL`
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