Which of the following is an example of a weak entity?
Practice Questions
Q1
Which of the following is an example of a weak entity?
A customer with a unique ID
An order that depends on a customer
A product with a SKU
A department with a manager
Questions & Step-by-Step Solutions
Which of the following is an example of a weak entity?
Correct Answer: An order that depends on a customer
Step 1: Understand what a weak entity is. A weak entity is an entity that cannot exist on its own and depends on another entity for its identification.
Step 2: Identify the example given in the question. The example is 'an order that depends on a customer.'
Step 3: Analyze the relationship. The order needs a customer to exist, meaning it cannot stand alone.
Step 4: Conclude that since the order relies on the customer, it is a weak entity.