CLOUD COMPUTING

CLOUD COMPUTING

DATABASE MANAGEMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ data refers to describing the data description, representing data semantics, and describing the consistency constraints that apply to the data.
A
Adding
B
Modifying
C
Modeling
D
Refining
Explanation: 

Detailed explanation-1: -Answer: C) Modeling. Explanation: Modeling data refers to describing the data description, representing data semantics, and describing the consistency constraints that apply to the data.

Detailed explanation-2: -The Data Model is defined as an “abstract model that organizes data description, data semantics, and consistency constraints of data. The data model emphasizes what data is needed and how it should be organized instead of what operations will be performed on data.

Detailed explanation-3: -A data structure diagram (DSD) is a diagram and data model used to describe conceptual data models by providing graphical notations which document entities and their relationships, and the constraints that bind them.

Detailed explanation-4: -The internal schema uses a physical data model and describes the complete details of data storage and access paths for the database.

Detailed explanation-5: -The data model is a collection of concepts or notations for describing data, data relationships, data semantics and data constraints. Most data models also include a set of basic operations for manipulating data in the database.

There is 1 question to complete.