38/

In a relational database, the three basic operations used to develop useful sets of data are:

a.

select, from, and join.

b.

select, project, and join.

c.

select, join, and where.

d.

select, project, and where.

36/

Which of the following is an example of a business using information systems to create new products and services A.

Walmart's Retail Link's system.

b.

Apple's creation of the iPad.

c.

The Mandarin Oriental's use of computers to keep track of guests' preferences.

d.

Verizon's web-based digital dashboard providing real-time company information for managers.

e.

JC Penney's information system that allows its contract manufacturers to see what garments have been sold and need to be replaceD