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Querying JSON data

Yelpto, a leading platform for discovering local businesses, seeks your expertise as a consulting Data Engineer.

They aim to explore the restaurant industry, focusing on popular 5-star-rated restaurants that are open on weekends in Philadelphia.

You'll work with the yelp_business_data table, particularly the name, categories, attributes, and hours columns.

You can explore the yelp_business_data table in the SQL console.

SQL console

Note that the attributes and hours columns are VARIANT types.

This exercise is part of the course

Introduction to Snowflake SQL

View Course

Exercise instructions

  • Retrieve Saturday hours from the hours VARIANT column.
  • Retrieve Sunday hours from the hours VARIANT column.
  • Filter where categories include 'Restaurant'.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

SELECT name,
    review_count,
    -- Retrieve the Saturday hours
    hours:___,
    -- Retrieve the Sunday hours
    ___
FROM yelp_business_data
-- Filter for Restaurants
WHERE categories ___ '%___%'
    AND (hours:Saturday IS NOT NULL AND hours:Sunday IS NOT NULL)
    AND city = 'Philadelphia'
    AND stars = 5
ORDER BY review_count DESC
Edit and Run Code