CSE :: Database System 2 - CS
- Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:
- The different classes of relations created by the technique for preventing modification anomalies are called:
- A relation is in this form if it is in BCNF and has no multivalued dependencies:
- The primary key is selected from the:
- Which of the following is a group of one or more attributes that uniquely identifies a row?
- When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
- A relation is considered a:
- In the relational model, relationships between relations or tables are created by using:
- A functional dependency is a relationship between or among: