What are the best practices for SQL indexes?
The best practices for SQL indexes include choosing the right columns to index, avoiding over-indexing, and regularly monitoring index performance.
How do I decide which columns to index?
You should index columns that are frequently used in WHERE clauses, JOIN conditions, and ORDER BY clauses to improve query performance.
Is there a downside to having too many indexes?
Yes, too many indexes can slow down data modification operations like INSERT, UPDATE, and DELETE, as each index needs to be updated.
How can I monitor the performance of my indexes?
You can use database performance monitoring tools or query execution plans to analyze how indexes are being used and their impact on query performance.
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