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Working with JSON, Arrays, and Structs in BigQuery

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Overview

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In this lab you will work with semi-structured data (ingesting JSON, Array data types) inside of BigQuery. You will practice loading, querying, troubleshooting, and unnesting various semi-structured datasets.

Syllabus

  • GSP416
  • Overview
  • Setup
  • Task 1. Create a new dataset to store the tables
  • Task 2. Practice working with arrays in SQL
  • Task 3. Creating your own arrays with ARRAY_AGG()
  • Task 4. Querying datasets that already have arrays
  • Task 5. Introduction to STRUCTs
  • Task 6. Practice with STRUCTs and arrays
  • Task 7. Lab question: STRUCT()
  • Task 8. Lab question: Unpacking arrays with UNNEST( )
  • Task 9. Filtering within array values
  • Congratulations!

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