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Results tagged with index
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user 87543
A database structure that can improve the speed of queries at the cost of disk space and slower inserts/updates. It stores a copy of one or more columns sorted but structures the data differently to allow faster access.
5
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1
answer
167
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Why don't relational databases have read-only indexes on columns?
In many programming language implementations, the compiler will turn on certain optimizations if it knows that a variable will not change after its initial assignment. Wouldn't this stretch to persist …
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