Which four are attributes of single row functions? （）A、cannot be nestedB、manipulate data itemsC、act on each row returnedD、return one result per rowE、accept only one argument and return only one valueF、accept arguments which can be a column or an expression
Which four are attributes of single row functions? （）
- A、cannot be nested
- B、manipulate data items
- C、act on each row returned
- D、return one result per row
- E、accept only one argument and return only one value
- F、accept arguments which can be a column or an expression
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