To select all of the fields from the table or tables listed in the FROM statement, you should type a(n) _________ symbol

Assume that the merchant in the SET protocol is dishonest. Explain why he cannot cheat the customer.

What will be an ideal response?

A Social Security Number which appears in the format 123-456-7891 is an example of a(n) ____.

A. field value B. predefined input mask C. aggregate function D. variance