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  • Book Overview & Buying SQL for Data Analytics
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SQL for Data Analytics

SQL for Data Analytics - Fourth Edition

By : Jun Shan, Benjamin Johnston, Haibin Li, Matt Goldwasser, Upom Malik
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SQL for Data Analytics

SQL for Data Analytics

By: Jun Shan, Benjamin Johnston, Haibin Li, Matt Goldwasser, Upom Malik

Overview of this book

SQL remains one of the most essential tools for modern data analysis and mastering it can set you apart in a competitive data landscape. This book helps you go beyond basic query writing to develop a deep, practical understanding of how SQL powers real-world decision-making. SQL for Data Analytics, Fourth Edition, is for anyone who wants to go beyond basic SQL syntax and confidently analyze real-world data. Whether you're trying to make sense of production data for the first time or upgrading your analytics toolkit, this book gives you the skills to turn data into actionable outcomes. You'll start by creating and managing structured databases before advancing to data retrieval, transformation, and summarization. From there, you’ll take on more complex tasks such as window functions, statistical operations, and analyzing geospatial, time-series, and text data. With hands-on exercises, case studies, and detailed guidance throughout, this book prepares you to apply SQL in everyday business contexts, whether you're cleaning data, building dashboards, or presenting findings to stakeholders. By the end, you'll have a powerful SQL toolkit that translates directly to the work analysts do every day. *Email sign-up and proof of purchase required
Table of Contents (21 chapters)
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1
Part 1: Data Management Systems
6
Part 2: Data Presentation and Manipulation
12
Part 3: Advanced Topics on Analytics
19
Other Books You May Enjoy
20
Index

Performant SQL

So far, you have learned how to create SQL statements for different types of requests. You have also seen that you can achieve the same goal with different queries. In reality, not all SQL statements are equal. Some run faster, some run slower. These days, analyses or queries are increasingly becoming a part of a larger service or product. One such example is a travel advisory system that incorporates the current location with nearby businesses and/or travel sites. For such a system to be effective and provide up-to-date navigation information, the database must be analyzed at a rate that keeps up with the speed of the car and the progress of the journey. Any delays in the analysis would significantly impact the application’s commercial viability.

While it is certainly not the job of a data scientist or data analyst to ensure that the production process and the database are working at optimal efficiency, it is critical that the queries of the underlying analysis...

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SQL for Data Analytics
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