by Markus Winand.
An execution plan or explain plan is an executable representation of an SQL statement. It is generated by the Optimizer and determines the sequence of database operations to execute an statement.
Article: “Planning for Re-Use” about execution plan caching
Glossary: Optimizer
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Markus Winand provides insights into SQL and shows how different systems support it at modern-sql.com. Previously he made use-the-index-luke.com, which is still actively maintained. Markus can be hired as trainer, speaker and consultant via winand.at.
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