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Hash tables can be used on disk as well.
by dfranke 18y ago
Hash tables can be used on disk as well.
- Tamerlin 18y agoThat's certainly true. They're also useful for distributed caches, but that doesn't make B-trees any less useful when the situation calls for it.
- dfranke 18y agoB-trees are basically the only sane option if you ever need to do range queries. Hash tables tend to outperform them a bit on all other operations.