SQL for Data Analysis Advanced Techniques for Transforming Data Into Insights

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 analysisPerform time series analysis using SQL's date and time manipulationsUse cohort analysis to investigate how groups change over timeUse SQL's powerful functions and operators for text analysisDetect outliers in your data and replace them with alternate valuesEstablish causality using experiment analysis, also known as A/B testing

ISBN:	9781492088783
Publisher:	O'Reilly Media
Imprint:	O'Reilly
Published date:	05 Oct 2021
DEWEY:	005.7565
DEWEY edition:	23
Language:	English
Number of pages:	xiii, 342
Weight:	624g
Height:	176mm
Width:	234mm
Spine width:	22mm

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