Two Members of a Database Design Team at Large U

Multiple Choice

Two members of a database design team at Large U.S. University assigned different primary keys to the Student entities in their models. One member used Student ID, an internally generated unique number the university assigns to each student upon enrollment. The other chose social security number or other equivalent identifier assigned to each student by the U.S. government. This is an example of

A) Entity name conflict
B) Attribute conflict
C) Cardinality conflict
D) Relationship name conflict
E) Relationship structure conflict