How can I optimize my SQL queries for better performance?
To optimize SQL queries, consider using indexes, avoiding SELECT *, and analyzing query execution plans.
What are some common mistakes to avoid when writing SQL queries?
Common mistakes include not using indexes, writing inefficient joins, and failing to filter data properly.
Can you explain how indexing works in SQL?
Indexing in SQL creates a data structure that improves the speed of data retrieval operations on a database.
How do I analyze a query execution plan?
You can analyze a query execution plan using the EXPLAIN statement in SQL, which shows how the database executes a query.
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