Observing ________, their physical environment, and their interaction with their physical, ergonomic environment is an important unobtrusive method for a systems analyst.

Which of the following is true about a zero length string?

A) It is often used to record null for a field. B) It is the same as a null value. C) It is when a record for a field contains parenthesis with nothing in between. D) It is used instead of the word Null to define an argument of the IIF function.

By default, Access will sort a table by ________ unless a user applies a different sort

Fill in the blank(s) with correct word