FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

DATA WAREHOUSING AND DATA MINING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The characteristics of healthy data, except
A
no redundant data
B
naming does not come from objects (eg people, places, etc
C
data must be accurate
D
data based on user opinions
Explanation: 

Detailed explanation-1: -There are data quality characteristics of which you should be aware. There are five traits that you’ll find within data quality: accuracy, completeness, reliability, relevance, and timeliness – read on to learn more.

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 first three characteristics of big data are volume, velocity, and variety. Additional characteristics of big data are variability, veracity, visualization, and value. Understanding the characteristics of Big Data is the key to learning its usage and application properly.

There is 1 question to complete.