Which of the following is a right to enter another person's land and remove some product or part of it

Saying that a set of events is collectively exhaustive implies that one of the events must occur

Indicate whether the statement is true or false

Which of the following best defines a composite key?

A) It is an arbitrary, random key with no business meaning B) It is an attribute that naturally belongs to the entity C) It is made up of two or more attributes combined D) It is an attribute that could potentially be used for a primary key