code: public boolean supportsResultSetConcurrency(int type,
              int concurrency) throws SQLException {
  
          return supportsResultSetType(type)
                 && (concurrency == JDBCResultSet.CONCUR_READ_ONLY
                     || concurrency == JDBCResultSet.CONCUR_UPDATABLE);
      }
docs: Retrieves whether this database supports the given concurrency type
  in combination with the given result set type.
  
  @param type defined in <code>java.sql.ResultSet</code>
  @param concurrency type defined in <code>java.sql.ResultSet</code>
  @return <code>true</code> if so; <code>false</code> otherwise
  @exception SQLException if a database access error occurs
  @see JDBCConnection
  @since  JDK 1.2 (JDK 1.1.x developers: read the overview
  for JDBCDatabaseMetaData)