Question: You need to design the primary key for DynamoDB based on three attributes. What do you do?
- Designate all three fields as the primary key.
- Concatenate all three fields into one new field, then designate that new field as the primary key.
- Designate two fields of the three fields as the primary key.
- Concatenate two fields into one new field, then designate that new field and the remaining field as the primary key.
Answer: The correct answer of the above question is Option B:Concatenate all three fields into one new field, then designate that new field as the primary key.