Quiz on Database Concepts

What does Conceptual Level refer to in database architecture?

• Internal Level

• External Level

• Lower Level

• Conceptual Level

Which type of data model is suitable for viewing data with multiple conditional key fields?

• Hierarchical Database

• Network Database

• Relational Database

• Object-Oriented Database Model

Which of the following is a characteristic feature with reusability?

• Hierarchical Database

• Network Database

• Relational Database

• Object-Oriented Database Model

What does E-R Model refer to?

• Model

• Entity Model

• Relationship Model

• Entity-Relationship Model

E-R Model is a design at which level?

• Internal

• External

• Conceptual

• Logical

What does the symbol used in E-R Diagram represent?

• Entity

• Attribute

• Relationship Set

• Key Attribute

Which is the level of relationship that involves 2 entities?

• Unary Relationship

• Binary Relationship

• Ternary Relationship

• Connection Relationship

How many levels of relationships are there?

What is the level of relationship that has 2 entities?

• Unary Relationship

• Binary Relationship

• Ternary Relationship

• Connection Relationship

How many levels of relationships are there in total?

• 1 level

• 2 levels

• 3 levels

• 4 levels