3 Acquisition, storage, and retrieval

This chapter covers

  • Structuring data pipelines around a design pattern called the core data representation
  • Importing and exporting JSON and CSV data from text files and REST APIs
  • Importing and exporting data with MySQL and MongoDB databases
  • Creating flexible pipelines to convert data between different formats

Chapter 3 covers a topic that’s crucial to the data-wrangling process: the ability to acquire data from somewhere and then store it locally so we can work with it efficiently and effectively.

Initially, we must import our data from somewhere: this is acquisition. We’ll probably then export the data to a database to make it convenient to work with: this is storage. We might then export the data ...

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