| http://www.w3.org/ns/prov#value | - FWIW, MySQL's query cache is only useful if your table does not change very often.Let's say your table is an access log that gets updated several times a second, and you want a materialized view that presents daily statistics.MySQL's query cache will not do anything for you in this situation, because it gets invalidated a few times a second.This is why PostgreSQL does not have a query cache; it is not a
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