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SQL Heuristic: ORs Are Expensive

ethanseal.com · first added by @hnl · 2026-02-27 · 1 upvotes

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─── In 1 list ──────────────────────────────────────────

* Issue #765 by @hnl [data]

─── Discussions ────────────────────────────────────────

* A SQL Heuristic: ORs Are Expensive

170 pts · 79 comments · node

─── From the discussion ────────────────────────────────

* SQL Indexing and Tuning e-Book for developers: Use The Index, Luke covers Oracle, MySQL, PostgreSQL, SQL Server, ...

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* The SQLite Query Optimizer Overview

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* Database Management Systems (Third Edition)

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* EXPLAIN - Bitmap Or · pganalyze

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* GitHub - ethan-seal/ors_expensive: Example benchmark of OR queries being expensive

github.com · node

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