Multiple Choice
Which of the following is NOT true about ERDs?
A) Special symbols are added to show high-level business rules
B) The diagrams are drawn in a sequential order - from top to bottom
C) Similar kinds of information are listed together in entities
D) ERD's are data modeling techniques
E) Lines are drawn to show relationships among the data
Correct Answer:
Verified
Correct Answer:
Verified
Q41: When the analyst is evaluating a data
Q42: In adding attributes to an ERD,which of
Q43: In an entity called STUDENT,you might find
Q44: ERD's can be quite complex and might
Q45: Relationships are drawn with lines showing cardinality
Q47: Entities are a person,place,or thing.
Q48: Which would NOT likely be an entity
Q49: Data modeling is an iterative process.
Q50: When validating ERD's you should balance ERD
Q51: You have a student registration system (simplified)with