Which of the following is NOT a type of relationship in an ER model?
Practice Questions
1 question
Q1
Which of the following is NOT a type of relationship in an ER model?
One-to-One
One-to-Many
Many-to-Many
Many-to-One
All listed options are types of relationships in an ER model; however, 'Many-to-One' is typically described as 'One-to-Many' from the other entity's perspective.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following is NOT a type of relationship in an ER model?
Solution: All listed options are types of relationships in an ER model; however, 'Many-to-One' is typically described as 'One-to-Many' from the other entity's perspective.
Steps: 5
Step 1: Understand what an ER model is. An ER model (Entity-Relationship model) is a way to represent data and relationships between data in a database.
Step 2: Learn about types of relationships in an ER model. The common types are One-to-One, One-to-Many, and Many-to-Many.
Step 3: Identify the options given in the question. Look for the relationship types listed.
Step 4: Analyze the options. Check if 'Many-to-One' is mentioned. Remember that 'Many-to-One' is usually described as 'One-to-Many' from the perspective of the other entity.
Step 5: Conclude that all options listed are types of relationships in an ER model, but 'Many-to-One' is not typically used as a standalone term.
