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Valery Zhmyshenko2019-12-17 17:15:28
Database
Valery Zhmyshenko, 2019-12-17 17:15:28

Collection of index usage statistics?

Good day!
I am writing a thesis on database query optimization.
Explain the algorithm for collecting statistics on the use of indexes.
found just such a formula for collecting statistics
5df8e232cf554707857818.png
where Ki is the number of indices. K is the number of index usages. T is the time of collecting statistics.

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