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Apache Hive Essentials by Dayong Du

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Introducing big data

Big data is not simply a big volume of data. Here, the word "Big" refers to the big scope of data. A well-known saying in this domain is to describe big data with the help of three words starting with the letter V. They are volume, velocity, and variety. But the analytical and data science world has seen data varying in other dimensions in addition to the fundament 3 Vs of big data such as veracity, variability, volatility, visualization, and value. The different Vs mentioned so far are explained as follows:

  • Volume: This refers to the amount of data generated in seconds. 90 percent of the world's data today has been created in the last two years. Since that time, the data in the world doubles every two years. Such big volumes ...

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