code: protected void executeUpdateSilently(String statement) {
          logger.trace(statement);
          try (Statement alter = conn.createStatement()) {
              alter.execute(statement);
          } catch (final SQLException e) {
              logger.debug("Could not execute {}.", statement, e);
          }
      }
docs: Executes the given statement.
  <p>
  If the statement for some reason fails to execute, the error is logged
  but no exception is thrown.
  
  @param statement The statement.