A common method used to enhance the validity of entering batches of data records is to create an audit trail of the entire sequence of data entry, processing, and storage

Which of the following statements about customer relationship management (CRM) programs is true?

A) The success of a CRM program relies on its use of mass communication channels. B) CRM programs include information gathered from each customer touchpoint. C) Internet technology is a barrier to the successful implementation of CRM programs. D) To succeed, all companies should engage in CRM every time they interact with a customer. E) Only consumer marketers can benefit from the use of CRM programs.

RANK and DENSE-RANK are examples of:

A) ceilings. B) door functions. C) window functions. D) moving functions.