IntroductionDatabases

Which attribute is the MULTI-VALUED ATTRIBUTE?

• EmpID
• Degree
• Age
• Address

Which attribute is the COMPOSITE ATTRIBUTE?

• Degree

• Age

• Salary

• Address

Which attribute is the DERIVED ATTRIBUTE?

• EmpID
• Age
• Name
• Degree

Which attribute is the PRIMARY KEY?

• EmpID
• Degree
• Name
• Birthday

_________is a person, place, object, event or concept in the user environment about which company wishes to maintain the data

• attribute
• entity
• relationship
• none of these

Each entity is described by __________.

• entity

• relationship

• none of these

• attribute

This key uniquely identifies each record in an entity.

• Primary Key

• Foreign Key

• Super Key

• Composite Key

This key is suitable to become a primary key in an entity.

• Candidate Key

• Foreign Key

• Super Key

• Composite Key

If you were collecting and storing information about your music collection, an album would be considered as a(n) _____.

• Relation
• Entity
• Instance
• Attribute

A software that we would use to create a database is

• Microsoft Publisher

• Microsoft Excel

• Microsoft Word

• Microsoft Access