Using PostgreSQL® JSON functions to navigate reviews of restaurants in India

This article provides a detailed tutorial on how to use PostgreSQL JSON functions to analyze Indian restaurant reviews data. It covers the basics of setting up a PostgreSQL instance, loading the dataset into the database, and using various SQL queries with jsonb_array_elements and other functions to extract and filter information from the nested JSON documents. The tutorial also demonstrates how to create tables based on the parsed data and perform more complex analysis such as creating histograms and filtering by specific criteria like price range and user ratings.