Method ADT.Table.table()->sum()
- Method
sum
 this_programsum(int|string...columns)- Description
 This method sums all equal rows. The table will be grouped by the columns not listed. The result will be returned as a new table object.
this_program sum(int|string ...  columns)
This method sums all equal rows. The table will be grouped by the columns not listed. The result will be returned as a new table object.