Not necessarily - you could store a resultset based on the query and parameters, and if the same query and parameters come within a certain amount of time, you

Not necessarily - you could store a resultset based on the query and parameters, and if the same query and parameters come within a certain amount of time, you return the whole resultset from the cache. In this scenario, the resultset could contain a filtered list, aggregate functions, etc, that are more difficult to replicate in a key-value store.