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1.3 When the Architect Gets a Late Estimate Wrong

Late estimates are based on joins that are evaluated after your query’s initial filters. I’ll demo how the estimations are calculated, show the 201 buckets problem, and explain why it’s often easier to break queries apart into phases with the X-Acto Knife technique.

To access this incredible, amazing content, you gotta get Mastering Query Tuning or Recorded Class Season Pass, or log in if you already shelled out the cash.

Late estimates are based on joins that are evaluated after your query’s initial filters. I’ll demo how the estimations are calculated, show the 201 buckets problem, and explain why it’s often easier to break queries apart into phases with the X-Acto Knife technique.

To access this incredible, amazing content, you gotta get Mastering Query Tuning or Recorded Class Season Pass, or log in if you already shelled out the cash.