2025 Test Prep

How many normal forms do we use?

• Ten
• Three
• Five
• Six
• Twelve

Answer explanation

Explanation for the answer (optional)

How many normalization forms are there?

• 3
• 5
• 6
• 10
• 2

how many primary key a table can have?

• 4
• 2
• 1
• 3

Which of them is not a key in DBMS ?

• Candidate
• Customer
• Surrogate
• Composite
• Primary

database is not only shared by multiple users, but it is perceived differently by different users

• True
• FALSE
• None of the above

Which of this is not a purpose of a DBMS?

• Create
• Merge
• Process
• Administer Databases

A missing value in a field called

• Surrogate
• Empty
• Null value
• Blank

How many value(s) can each cell contain in 1NF

• 2
• 3
• 5
• Infinte
• 1

Which one of these are not a condition for first normalization form (1NF).

• Each column should contain atomic values.
• Column should contain values of same type
• Each column should have unique name
• It should not have transitive dependency

What is the smallest unit of data?

• Byte
• Record
• Field
• Bit