November 2025
Beginner to intermediate
336 pages
7h 48m
English
book
SQL for Data Analytics - Fourth Edition
by Jun Shan, Haibin Li, Matt Goldwasser, Upom Malik, Benjamin Johnston
Content preview from SQL for Data Analytics - Fourth Edition
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11
Processing JSON and Arrays
You have already seen two different ways of recording data in Chapter 1, using the JavaScript Object Notation (JSON) document model and using the relational model. You have also seen that JSON is a natural way of recording real-world data, but the relational model provides a much simpler approach for most use cases. That’s why all the data processing you have learned about so far is SQL statements, which only handle relational data.
It must be pointed out, however, that JSON is still a convenient way of describing real-world issues. As such, modern SQL does support complex data structures such as JSON and arrays. These data structures are a natural way of data description and show up constantly in technology applications. ...
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