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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.
Trinn-for-trinn guide
- 1Determine indexed columns
- 2Calculate bytes per index entry
- 3Project total index size
Løste eksempler
Inndata
1M rows, 3 indices, 8 bytes each
Resultat
~24MB total
Plus B-tree overhead
Vanlige feil å unngå
- ✕Wrong parameters
- ✕Missing adjustments
Ofte stilte spørsmål
What does this calculator do?
Set parameters
How do I use this calculator?
Run calculation
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