A primary key in Microsoft Access that contains more than one field is known as a(n): combined primary key double primary key O auto key concatenated primary key QUESTION 3 Which of the following is NOT one of the steps in integrating business process level REA view models? O Perform set intersections of class attributes (i.e., in the integrated view, include only those attributes that the class has in each Re-name associations as necessary to ensure uniqueness of association names of the separate views) Either merge the models based on a common class, or remove the attributes from one copy of the class and put a slash through the corner to show it is a copy of an existing class Determining which class or classes are shared by the view models All of the above are part of view integration