AWS Clean Rooms adds support for join and partition hints in SQL

AWS Clean Rooms Release Notes

AWS Clean Rooms now supports join and partition hints for SQL queries, optimizing join strategies and data partitioning for better query performance and reduced costs. You can apply SQL hints using comment-style syntax in pre-approved analysis templates and ad hoc SQL queries. For example, a broadcast join hint can optimize large table joins, and partition hints can improve data distribution for parallel processing.

What to do

• Use broadcast join hints for large table joins.
• Apply partition hints for better data distribution.

Source: AWS release notes

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