Junior Database Design

Test your Junior-level System Design Architecture Database Design skills in Computer Science Fundamentals. This timed assessment evaluates your expertise in Information Technology.

Duration: 5 minutes

•40 questions

Time Remaining: 05:00

Progress: 0%

40 questions remaining

Question 1 of 40Assessment

What is a 'weak entity' in the context of an Entity-Relationship (ER) model?

A. An entity that has no attributes other than its own primary key.

B. An entity that is not used by any queries in the production system.

C. An entity that is only connected to one other table in the schema.

D. An entity that cannot be uniquely identified by its own attributes.

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