Implementations of RowSet, CachedRowSet etc

Question

Until today I was working with ResultSet when handling results from queries. But today I read a little about RowSet and CachedRowset and I realized they can ser

Answer 1

The RowSet and CachedRowSet are implemented by the JDBC drivers.

Your database provider delivers the drivers e.g. Oracle or MySql. However those drivers only make sense in conjunction with an actual database.