DATABASE FUNDAMENTALS
BASICS OF BIG DATA
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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composition
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condition
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context
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none of the above
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Detailed explanation-1: -By nature, data are either quantitative or qualitative. Quantitative data are numerical and qualitative data are descriptive. It is possible to transform qualitative data into numerical values. Additionally, in sciences, data can also be graphic in nature.
Detailed explanation-2: -Big data also encompasses a wide variety of data types, including the following: structured data, such as transactions and financial records; unstructured data, such as text, documents and multimedia files; and. semistructured data, such as web server logs and streaming data from sensors.
Detailed explanation-3: -The 3 V’s (volume, velocity and variety) are three defining properties or dimensions of big data. Volume refers to the amount of data, velocity refers to the speed of data processing, and variety refers to the number of types of data.