A document which describes database objects and their data types is called a:

Which of these verbs is passive?

a. has destroyed b. could have seen c. both of the above d. none of the above

Which of the following statements is false?

A) Decision models selectively describe the managerial situation. B) Decision models consider all factors from the real world. C) Decision models designate performance measures that reflect objectives. D) Decision models designate decision variables.