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README.md
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temperature_readings.csv
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README.md

Practical SQL, 2nd Edition

A Beginner's Guide to Storytelling with Data

PracticalSQL, 2nd Edition by Anthony DeBarros is available from No Starch Press.

Chapter 13: Advanced Query Techniques

Explains how to use more complex SQL operations, such as subqueries and cross tabulations, and the CASE statement to reclassify values in a data set on temperature readings.