Oracle SQL Optimizer Overview | Query Optimizer Concepts
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The #SQL #Optimizer runs your SQL with a variety of options that include various hints and SQL rewrites to find the optimal performing SQL rather automatically. Query #optimization is a function of many relational #database management systems. The #query optimizer attempts to determine the most efficient way to execute a given query by considering the possible query plans. 00:00 Database Optimizer 01:11 How plan is generated & optimizer calculates LCM? Website: https://www.dbagenesis.com/ Facebook: https://www.facebook.com/dbagenesis/ Instagram: https://www.instagram.com/dbagenesis/ Twitter: https://twitter.com/DbaGenesis
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