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Search options not deleted user 163078

All versions of MySQL (not Microsoft SQL Server). Please also add a version-specific tag like mysql-5.7 if that is relevant to the question.

0 votes

Searching large dataset, best way to speed this up

I'd do a JOIN instead of the the inner query. That is still costly, but it's done once for all entries instead of once per entry. Only problem would be that you might get duplicates IF multiple rows i …
Frank Hopkins's user avatar
2 votes

Is a join faster with 5 tables joined together Or 5 separate queries?

It depends! on: what is your bottleneck database speed / computation power transfer speed / bandwitdth application computation power application main memory which indices are present are the join …
Frank Hopkins's user avatar