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by DrJokepu
6007 days ago
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That really depends on the query and the data structures used in the database. You can query large amounts of data on the hard drive very quickly if you store your data and indexes in data structures manually tuned for the problem. Modern operating systems / databases will try to use up your available RAM anyway to cache hard drive so keeping the whole database in RAM (if it fits into the RAM) won't help that much anyway. |
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