Amazon Redshift adds ALTER TABLE for Iceberg tables and writes via the AWS Glue Data Catalog mount

Amazon Redshift ยท 2026-05-18

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Technical Details

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Cost Impact Neutral

What This Means

For DevOps Teams

Update your data pipeline configurations to leverage Redshift's new ALTER TABLE capabilities for Iceberg tables, enabling direct writes via the AWS Glue Data Catalog mount and schema modifications without external schemas, which simplifies operations and reduces toil.

For Platform Teams

Adopt the new ALTER TABLE functionality for Iceberg tables in Amazon Redshift to enhance data lake integration, improve schema management, and ensure compatibility with other Iceberg-compatible engines, resulting in streamlined data operations and reduced maintenance efforts.

For Executives

Evaluate the new ALTER TABLE capabilities for Iceberg tables in Amazon Redshift to streamline data lake operations, reduce complexity in data pipelines, and enhance cross-engine interoperability, leading to improved data management efficiency and cost optimization.

Source

View original AWS announcement โ†’

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