DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Volume
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variety
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velocity
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None
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Detailed explanation-1: -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-2: -This can be data of unknown value, such as Twitter data feeds, clickstreams on a web page or a mobile app, or sensor-enabled equipment. For some organizations, this might be tens of terabytes of data. For others, it may be hundreds of petabytes.
Detailed explanation-3: -“Big data” is a term relative to the available computing and storage power on the market-so in 1999, one gigabyte (1 GB) was considered big data. Today, it may consist of petabytes (1, 024 terabytes) or exabytes (1, 024 petabytes) of information, including billions or even trillions of records from millions of people.