Multiple choice

Which of the following is/are true about the relational database design process?

  1. One-to-many relationship should have a primary and foreign key in parent and child table.

  2. In relational database, we can not change the value of primary key.

  3. Primary key can also make up of several columns.

  4. All of the above.

  5. Only (1) and (2).
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of the above are the true statements.

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