Multiple choice

Which of the following is/are true statement(s)?

  1. A foreign key in one table is the primary key in the other table.

  2. A foreign key can allow null values but not a primary key.

  3. A table can have more than one unique key.

  4. Foreign key is also called a referencing key.

  5. All of the above
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

All of the above are the true statements.

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