Amazon Redshift announces support of QUALIFY clause in SELECT SQL statement
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This article announces Amazon Redshift's support for the QUALIFY clause in SELECT SQL statements.
- QUALIFY clause filters window function results without requiring subqueries
- Enables efficient analytical queries on specific data subsets and partitions
- Can be used alongside existing HAVING clause in single queries
- Supports complex filtering on aggregated or computed values
- Available in all commercial and AWS GovCloud regions where Redshift operates
The QUALIFY clause simplifies window function filtering in Redshift, improving query efficiency for analytical workloads.
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