DATABASE FUNDAMENTALS
DATA WAREHOUSING AND DATA MINING
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Data
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Information
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Database
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Information Systems
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Detailed explanation-1: -Data is collected from different sources. It is collected for different purposes. Data may consist of numbers, characters, symbols or pictures etc.
Detailed explanation-2: -As we all know, computer is a electronic device where data is stored in the form of electronic signals.
Detailed explanation-3: -4 Types of Data: Nominal, Ordinal, Discrete, Continuous.
Detailed explanation-4: -Raw data is information in an unorganised form. Data collected randomly from sources or from surveys is generally unorganised. This unorganized data is called raw data.
Detailed explanation-5: -The Raw Facts and Figures are Called Data. The word raw means that the facts have not yet been processed to get their exact meaning. Data is collected from different sources.