final RowSet innerRowSet = m_database.getDatabase().createRowSet( _innerCommandType, _innerCommand );
innerRowSet.execute();
outerRowSet.last();
innerRowSet.last();
assertTrue( "wrong record counts", outerRowSet.getRow() == innerRowSet.getRow() );
outerRowSet.beforeFirst();
innerRowSet.beforeFirst();
assertTrue( "wrong column counts", outerRowSet.getColumnCount() == innerRowSet.getColumnCount() );