SQL Server, Azure SQL Database, Amazon RDS & AWS, Oracle and IBM Help
An online community of DBAs, developers and data intelligence builders, with videos, articles, resources and online events for members and non-members.
Find out more >>
(Itzik Ben-Gan) This article is the second in a series about optimization thresholds related to grouping and aggregating data. In Part 1, I provided the reverse-engineered formula for the Stream Aggregate operator cost.