ucation.com/ext/map/index.html?_con-con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect Saved 0 There are several important criteria that guide the selection of appropriate primary keys: Which statement below is not one of those critera? Multiple Choice The primary key cannot be null (blank) under any circumstances. The primary key must uniquely identify each instance of the class (or row of the table) The database designer should use attributes for the primary key that are potentially unavailable for any instance of the class. The primary key cannot change over time. ucation.com/ext/map/index.html?_con-con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect Saved 0 There are several important criteria that guide the selection of appropriate primary keys: Which statement below is not one of those critera? Multiple Choice The primary key cannot be null (blank) under any circumstances. The primary key must uniquely identify each instance of the class (or row of the table) The database designer should use attributes for the primary key that are potentially unavailable for any instance of the class. The primary key cannot change over time