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Data Access Command Beans
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The implementations of the abstract super classes BaseReadCommand and BaseUpdateCommand, as well as the InsertEmployeeCommand and QueryEmployeeByNameCommand classes are contained in src.
Note that the BaseReadCommand uses a RowSet to simplify its implementation. RowSets are part of the JDBC 2.0 optional package, and joined core JDBC as of JDBC 3.0. The example here uses Sun’s free CachedRowSet implementation of the RowSet interface.