What are the best practices for database indexing?
The best practices for database indexing include choosing the right columns to index, keeping indexes small, and regularly monitoring and maintaining them.
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.
What are the downsides of having too many indexes?
Having too many indexes can slow down write operations, increase storage requirements, and complicate maintenance.
Can you explain how to monitor index performance?
You can monitor index performance using database performance metrics, query execution plans, and tools like SQL Server Profiler or EXPLAIN in PostgreSQL.
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