code: @SafeVarargs
    public static void delete(DataSet... dataSets) {
      foreach(dataSets, DBSetup::delete, CallInfo.create());
    }
docs: Delete data sets from the database.
  
  <p>The data sets should be associated to tables
  with defined key columns. The key column values
  of each entry a data set determine the rows to delete.
  </p>
  
  @param dataSets Data sets for deletion.
  @see TableBuilder#key(String...)
  @see Table#getKeyColumns()
  @see #update(DataSet...)
  @see #insert(DataSet...)
  @see #populate(DataSet...)
  @see #populateIfChanged(DataSet...)
  @since 1.2