AWS Clean Rooms introduced support for minimum aggregation thresholds in custom SQL queries to enhance privacy in data collaborations.

Key Details

• Enables organizations to enforce minimum aggregation thresholds on custom SQL queries using the Custom analysis rule type
• Ensures every row output represents at least a specified number of distinct values
• Allows data providers to configure thresholds and identity columns without requiring pre-approved templates or manual code reviews
• Enables data providers to specify which columns can be filtered or joined across datasets

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