In Oracle, the script line used to define the foreign key in job table, creating a

To assign numerical value to each questionnaire, a researcher decides to use a four-digit code. There are probably how many questionnaires in the data set?

a. 323 b. 99 c. 999 d. 576 e. 1249

Marketing managers are interested in variables such as usage rate and degree of loyalty. Which category of descriptor variable do these fall under?

A) geographic B) demographic C) psychographic D) behavioral