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Optimizing PostgreSQL Queries With Indexes: A Practical Deep Dive
- Indexes are powerful tools in PostgreSQL for improving query performance.
- Common index types in PostgreSQL include B-tree, hash, GIN, GiST, and BRIN.
- Indexes help with WHERE clauses, JOINs, and ORDER BY and GROUP BY clauses.
- To optimize index usage, it is important not to over-index, run periodic maintenance, and drop unused indexes.
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