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Tip of the Day
Language: SQL
Expertise: Beginner
Aug 21, 2019

WEBINAR:

On-Demand

Building the Right Environment to Support AI, Machine Learning and Deep Learning


Discovering the Reason for Poor Query Performance

What can cause poor performance of a query? Any or a combination of these:

  • No indexes exist for the tables
  • Unnecessarily complicated joins
  • Excess usage of cursors
  • Excess usage of temporary tables
  • Stored procedures being recompiled excessively
  • Procedures or triggers without SET NOCOUNT ON
Hannes du Preez
 
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