ended5월 2일· 1 sources
Beyond B-Trees: Solving the Heap Fetch Bottleneck with Covering Indexes
단순 인덱스로는 부족하다, DB 성능의 숨은 병목 'Heap Fetch' 해결법
Why it matters
Standard indexing often leaves database performance at a standstill due to excessive heap fetches during data retrieval. By adopting covering indexes, developers can eliminate unnecessary physical I/O jumps, ensuring high-concurrency features like real-time feeds remain scalable and responsive.
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Covering IndexB-TreeHeap FetchDatabase PerformanceSQL Optimization