ended4월 27일· 1 sources
Beyond 'Add Index': The Strategic Design of PostgreSQL Performance
'인덱스 추가'가 능사는 아니다... PostgreSQL 성능을 극대화하는 전략적 인덱스 설계법
Why it matters
Indexing is the most powerful lever for SQL performance, but its effectiveness depends on intentional design rather than brute-force implementation. Understanding how the PostgreSQL planner evaluates cost through selectivity and correlation is essential for developers to avoid redundant indexes and eliminate expensive random I/O.
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PostgreSQLIndexingSQLQuery OptimizationB-tree