________ are placeholders that can be set to a hard-coded value or to an object within VBA

Which of the following would NOT be an advantage of an e-reader?

A) The same book can be accessed from several different devices with tracking the last page read. B) The font size is adjustable for people with vision problems. C) It is easy to share books with family and friends. D) They can replace many heavy books in students' backpacks.

Poor ________ impairs performance, especially when the database is used to store large amounts of data

A) planning B) database objects C) table relationships D) database design