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Introduction to Big Data

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Types of Data

4:02 with Craig Dennis and Jared Smith

When you start dealing with large datasets, the first question you should ask is “What kind of data are we dealing with?”

Terms

  • GIS -- Geographic Information Systems
  • Relational Database -- A database that stores data according to a predefined schema.
  • SQL -- Structured Query Language
  • NoSQL -- An overloaded term for non-relational databases

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    Or is unstructured? 0:00
    Is data missing? 0:00
    Is it not text? 0:02
    Is it video? 0:02
    Or is it audio? 0:03
    Does it have a location, or geo-spacial information tied to it? 0:04
    Are there a lot of default values in the data? 0:08
    The list goes on and on. 0:10
    To really make sense out of the data that you have on hand, and to begin to solve 0:12
    the business problems with it, the first step is to recognize the type of data 0:16
    that you have and to put it into the appropriate systems for storing that data. 0:21
    For instance, if your data is something like a group of customers and 0:26
    their buying habits, it will probably fit best in a relational SQL database or 0:29

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