SQL for Data Analysis: Advanced Techniques for Transforming Data into Insights

SQL for Data Analysis: Advanced Techniques for Transforming Data into Insights
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SQL for Data Analysis: Advanced Techniques for Transforming Data into Insights

by Cathy Tanimura

  • Length: 342 pages
  • Edition: 1
  • Language: English
  • Publisher: O’Reilly Media
  • Publication Date: 2021-10-12
  • ISBN-10: 1492088781
  • ISBN-13: 9781492088783
  • Sales Rank: #203853 (See Top 100 Books)

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With the explosion of data, computing power, and cloud data warehouses, SQL has become an even more indispensable tool for the savvy analyst or data scientist. This practical book reveals new and hidden ways to improve your SQL skills, solve problems, and make the most of SQL as part of your workflow.

You’ll learn how to use both common and exotic SQL functions such as joins, window functions, subqueries, and regular expressions in new, innovative ways–as well as how to combine SQL techniques to accomplish your goals faster, with understandable code. If you work with SQL databases, this is a must-have reference.

  • Learn the key steps for preparing your data for analysis
  • Perform time series analysis using SQL’s date and time manipulations
  • Use cohort analysis to investigate how groups change over time
  • Use SQL’s powerful functions and operators for text analysis
  • Detect outliers in your data and replace them with alternate values
  • Establish causality using experiment analysis, also known as A/B testing
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