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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
4.5 (2)
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SQL for Data Analytics

SQL for Data Analytics

4.5 (2)
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

Setting up a PostgreSQL relational database

Relational DBMS (RDBMS) is the dominant DBMS in the current market. There are many different types of RDBMS. They can be loosely categorized into two groups, commercial and open source. Different RDBMSs differ slightly in the way they operate data and even in some minor parts of the SQL syntax. There is an American National Standards Institute (ANSI) standard for SQL, which is largely followed by all RDBMSs. But each RDBMS may also have its own interpretations and extensions of the standard.In this book, you will use one of the most popular open source RDBMSs, PostgreSQL. In this section, you will go through a series of exercises, install a copy of PostgreSQL on your local machine, launch its user interface, and import a sample database into your local PostgreSQL DBMS server. This PostgreSQL database will be used for the activities described in the rest of this book. After the installation, the PostgreSQL DBMS server will be running on the backend...

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SQL for Data Analytics
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