10th Class
Computers Science
Microsoft Access
Question Bank
Self Test-4
question_answer
Match the following: A B 1. Cardinality A. Can not contain null value. 2. Unique key B. Ensures that data in the database is valid and correct. 3. Data integrity C. Has eligibility to make primary key. 4. Candidate key D. The number of tuples in a relation. E. Can contain null value.