What are the best practices for query optimization?
To optimize queries, consider indexing, avoiding SELECT *, and using WHERE clauses effectively.
Can you explain how indexing works?
Indexing creates a data structure that improves the speed of data retrieval operations on a database.
What are some common mistakes to avoid in query optimization?
Common mistakes include not using indexes, writing complex joins, and failing to analyze query performance.
How can I analyze the performance of my queries?
You can use tools like EXPLAIN in SQL to analyze query execution plans and identify bottlenecks.
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