Quiz 2 Infomanagement

It describes an association among entities.

• Attribute

• Network Model

• Entity

• Relationship

Hierarchical Model - It was developed in the ______ to manage large amounts of data for complex manufacturing projects

• 1970

• 1950

• 1940

• 1960

It was created to represent complex data relationships more effectively than the hierarchical model, to improve database performance, and to impose a database standard.

• Network Mowdel

• Networth model

• Hierarchical Model

• None of the answers are correct

Relational Model - It was introduced in 1970 by E. F. Codd of ____

Entity Relational Model - It was introduced in 1975 by Peter Chen.

• True

• False

• Not sure

• Pogi ni Sir Rex

It refer to the amounts of data being stored.

• Velocity

• Volume

• Variety

• Vector

The Object-Oriented Data Model is based on the following components:

Which one is correct?

• Tables describe the properties of an object

• Columns are organized in a class hierarchy. The class hierarchy resembles an upside-down tree in which each class has only one parent.

• Inheritance is the ability of an object within the class hierarchy to inherit attributes.

• – It refers not only to the speed with which data grows but also to the need to process this data quickly in order to generate information and insight

One of the big advantages of mySQL databases is that they generally use a distributed database node.

• True

• False

• Not Sure

• No answer.

Extensible Markup Language (XML) – A ___________ used to represent and manipulate data elements.

_________ operates at the lowest level of abstraction, describing the way data is saved on storage media such as magnetic, solid state, or optical media.

• Relational Model

• Physician Model

• Physical Model

• Python Model