Last Updated: November 21, 2025
Focus Areas
| Focus |
|---|
Match filters with columns in where clauses
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Use partial indexes for sparse data sets
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Commands & Queries
EXPLAIN ANALYZE SELECT ...
Check index usage
CREATE INDEX idx_name ON table(col1, col2)
Add a composite index
DROP INDEX idx_name
Remove unused index
Summary
Tune indexes to accelerate queries without bloating write costs.
💡 Pro Tip:
Review execution plans before adding indexes and avoid over-indexing.