CLOUD COMPUTING
DATABASE MANAGEMENT
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Model
|
|
|
Data
|
|
|
Data models
|
|
|
Data modeling
|
Detailed explanation-1: -The three primary data model types are relational, dimensional, and entity-relationship (E-R). There are also several others that are not in general use, including hierarchical, network, object-oriented, and multi-value.
Detailed explanation-2: -Iterative and progressive process of creating a specific data model for a determined problem domain. Simple representations of complex real-world data structures. Useful for supporting a specific problem domain. Abstraction of a real-world object or event.
Detailed explanation-3: -Types of database models Hierarchical database model. Relational model. Network model. Object-oriented database model.
Detailed explanation-4: -Data modeling is a process for defining and ordering data for use and analysis by certain business processes. The role of data modeling analysts is to define data items and the business rules which affect those data items.