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AWS redshift documentation change

Service: redshift · 2025-11-04 · Documentation medium

File: redshift/latest/dg/querying-iceberg.md

Summary

Added note that federated identity (including SESSION keyword) is unsupported for writing to Iceberg tables.

Security assessment

Clarifies security-related access control limitations for IAM roles, helping users avoid insecure configurations.

Diff

diff --git a/redshift/latest/dg/querying-iceberg.md b/redshift/latest/dg/querying-iceberg.md
index eccb7f3eb..25ea499e6 100644
--- a//redshift/latest/dg/querying-iceberg.md
+++ b//redshift/latest/dg/querying-iceberg.md
@@ -65,0 +66,2 @@ For the difference between version 1 and version 2 tables, see [Format version c
+  * Federated identity – Federated identity is not supported when writing to Apache Iceberg tables. This includes using the SESSION keyword for the IAM_ROLE parameter when creating external schemas. For more information about IAM_ROLE parameters, see [CREATE EXTERNAL SCHEMA](https://docs.aws.amazon.com/redshift/latest/dg/r_CREATE_EXTERNAL_SCHEMA.html).
+