Database Concepts Quiz

Database Concepts Quiz

University

39 Qs

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Database Concepts Quiz

Database Concepts Quiz

Assessment

Quiz

Information Technology (IT)

University

Practice Problem

Hard

Created by

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39 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Each time attribute A appears, it is associated with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:

A → B.

A → C.

A → (B, C).

(B, C) → A.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Different relation classes created by techniques to prevent modification anomalies are called:

Normalization forms.

Referential integrity constraints.

Functional dependencies.

None of the above.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A relation is in this form if it is in BCNF and has no multivalued dependencies:

Second normal form.

Third normal form.

Fourth normal form.

Domain/key normal form.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When values in one or more attributes are used as foreign keys, they must exist in another set of one or more attributes in another table, we have created a:

Transitive dependency.

Insert anomaly.

Referential integrity constraint.

Normalization form.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the relational model, relationships between relations or tables are created using:

Composite keys.

Determinants.

Candidate keys.

Foreign keys.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A functional dependency is a relationship between:

Tables.

Rows.

Relations.

Attributes.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A table is synonymous with the term:

Record.

Relation.

Column.

Field.

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