COMP 1047 Study Guide - Final Guide: Cengage Learning, Distributed Database, Emo

Why do relational databases use primary keys and foreign keys?

1. To create a database
2. To create a logical relationship
3. To create a physical relationship
4. All of these

1. Data dictionary
2. database
3. username
4. None of these

1. Record
2. Field
3. Primary key
4. All of these