Which socket replaces the Intel 1156 socket?

Which of the following is NOT true about identifying the entities in an ERD?

A) Entities are people, places, or items that you want to keep data about. B) Bridge entities use a composite key. C) Composite keys are drawn in a diamond with a rectangle around it. D) Weak entities have a primary key.

Professional relational database design requires that every table has a(n) ____ key field that stores unique values.

A. relational B. identification C. number D. primary