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A database index size estimator calculates how much disk space database indexes will consume based on the number of rows, indexed column sizes, and index type. Indexes speed up queries but consume 20–100% of the table size in additional storage; over-indexing slows write performance.

단계별 가이드

  1. 1Determine indexed columns
  2. 2Calculate bytes per index entry
  3. 3Project total index size

풀어진 예시

입력
1M rows, 3 indices, 8 bytes each
결과
~24MB total
Plus B-tree overhead

피해야 할 일반적인 실수

  • Wrong parameters
  • Missing adjustments

자주 묻는 질문

What does this calculator do?

Set parameters

How do I use this calculator?

Run calculation

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