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The Art of PostgreSQL

Solution Review: Create a Histogram

Explore how to create a histogram for GeoNames earthquake data in PostgreSQL. Understand how to use SQL queries with the repeat function to visualize frequency distributions, helping you effectively analyze and represent data. This lesson guides you through reviewing and running code that generates histograms based on earthquake magnitude and frequency.

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Solution

The DDL for creating and inserting records in the table is already added in the code. You may check the data using the following query.

PostgreSQL
Select * from Magnitude;

The solution for the challenge is given below. Click the “Run” button in the ...