Cross-sourcing describes the practice of having two suppliers provide every component

The ____ is the source of the message.

A. Noise B. Receiver C. Sender D. Feedback E. Media

Which of the following SQL statements will display the names of all customers who have purchased a copy of E-BUSINESS THE EASY WAY?

a. SELECT lastname, firstnameFROM customers NATURAL JOIN booksWHERE title LIKE '%BUSI%'; b. SELECT lastname, firstnameFROM customers c, books b, orders o, orderitems oiWHERE title LIKE '%BUSI%'; c. SELECT lastname, firstnameFROM customers c, books b, orders o, orderitems oiWHERE c.customer# = o.customer# AND o.order# = oi.order# ANDoi.isbn = b.isbn AND title LIKE '%BUSI%'; d. none of the above