Multiple Choice
When using the relational model to represent two tables, one must ________.
A) add a foreign key to one of the tables
B) have more than two identifiers in the model
C) establish only N:M relationships between the tables
D) use metadata instead of foreign keys
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q3: A foreign key is essential in relational
Q5: Explain the role of users in the
Q35: Browser applications are thin-client applications that need
Q36: A data model describes data and relationships
Q59: Which of the following refers to the
Q62: Users are the final judges as to
Q67: A group of similar rows or records
Q80: What are the steps involved in transforming
Q87: A user does not need user account
Q109: Managing the impact of database structure changes