What are SQL execution plans and how do they work?
An example of an AI chatbot conversation about SQL execution plans and their functionality.
What are SQL execution plans and how do they work?
SQL execution plans are the strategies that the database engine uses to execute a SQL query. They show how tables are accessed and joined.
How can I view the execution plan for my SQL query?
You can view the execution plan by using the EXPLAIN statement before your query. This will provide details on how the query will be executed.
What factors can affect the execution plan?
Factors include the database schema, indexes, statistics, and the specific SQL query structure.
Can execution plans change over time?
Yes, execution plans can change due to updates in data distribution, changes in indexes, or modifications to the SQL query itself.
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