What is a query execution plan?
A query execution plan is a detailed roadmap that a database uses to execute a SQL query. It shows how the database will access data.
How can I view the execution plan for my SQL query?
You can view the execution plan by using the EXPLAIN
statement before your SQL query in most database systems.
What are the components of a query execution plan?
Components typically include operations like scans, joins, sorts, and the estimated cost of each operation.
Why is understanding the execution plan important?
Understanding the execution plan helps optimize queries for better performance and resource management.
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