FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

BASICS OF BIG DATA

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

One of the Big Data data sources has the characteristic of ‘Lack of Detail’, referring to which data source comes from?

A	Data Warehouse
B	Enterprise Systems
C	SAP
D	Flat File

Explanation:

Detailed explanation-1: -Characteristics Of A Data Warehouse. The four characteristics of a data warehouse, also called features of a data warehouse, include SUBJECT ORIENTED, TIME VARIANT, INTEGRATED and NON-VOLATILE.

Detailed explanation-2: -Big data is a collection of data from many different sources and is often describe by five characteristics: volume, value, variety, velocity, and veracity.

Detailed explanation-3: -The data in a data warehouse is imported from source systems (such as ERP, CRM or Finance platforms) and gathered in the warehouse where it can be used across the enterprise for creating analytical reports and to support business decision-making.

Detailed explanation-4: -Velocity refers to the speed at which data is generated and must be processed and analyzed.

There is 1 question to complete.