What are some common query optimization techniques?
Common techniques include indexing, query rewriting, and using efficient joins.
Can you explain how indexing works?
Indexing creates a data structure that improves the speed of data retrieval operations on a database.
What about query rewriting? How does that help?
Query rewriting involves modifying a query to make it more efficient, often by simplifying or restructuring it.
Are there any tools that can help with query optimization?
Yes, tools like SQL Server Management Studio and EXPLAIN in PostgreSQL can help analyze and optimize queries.
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