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by hinkley
1202 days ago
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I think historically people had a lot of bad intuitions about how effective non-composite indexes are in databases. That if I have an index for A and an index for B I should be able to do A & B and get a quick answer. There's been a lot more educational material on composite indexes and in particular partial indexes and so I'm not sure if someone with 3 years' experience today can accurately judge a conversation talking about ten years ago. |
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