Question

Q. 7. An aggregate function: *
*
O(a) takes a column name as its arguments
(b) may take an expression as its arguments
(c) Both (a) and (b)
0
(d) None of (a) and (b)​

Answer 1

Answer:

An aggregate function is a mathematical computation involving a set of values that results in a single value expressing the significance of the data it is computed from. Aggregate functions are often used in databases, spreadsheets and many other data manipulation software packages now common in the workplace.