SQL for Data Analytics: Perform fast and efficient data analysis with the power of SQL

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SQL for Data Analytics: Perform fast and efficient data analysis with the power of SQL : 386 pages

Author : Upom Malik , Matt Goldwasser, Benjamin Johnston

Language : English

1) Book Description

Take your first steps to become a fully qualified data analyst by learning how to explore large relational datasets

Key Features

Explore a variety of statistical techniques to analyze your data

Integrate your SQL pipelines with other analytics technologies

Perform advanced analytics such as geospatial and text analysis

Book Description

Understanding and finding patterns in data has become one of the most important ways to improve business decisions. If you know the basics of SQL, but don't know how to use it to gain the most effective business insights from data, this book is for you.

SQL for Data Analytics helps you build the skills to move beyond basic SQL and instead learn to spot patterns and explain the logic hidden in data. You'll discover how to explore and understand data by identifying trends and unlocking deeper insights. You'll also gain experience working with different types of data in SQL, including time-series, geospatial, and text data. Finally, you'll learn how to increase your productivity with the help of profiling and automation.

By the end of this book, you'll be able to use SQL in everyday business scenarios efficiently and look at data with the critical eye of an analytics professional.

Please note: if you are having difficulty loading the sample datasets, there are new instructions uploaded to the GitHub repository. The link to the GitHub repository can be found in the book's preface.

What you will learn

Perform advanced statistical calculations using the WINDOW function

Use SQL queries and subqueries to prepare data for analysis

Import and export data using a text file and psql

Apply special SQL clauses and functions to generate descriptive statistics

Analyze special data types in SQL, including geospatial data and time data

Optimize queries to improve their performance for faster results

Debug queries that won't run

Use SQL to summarize and identify patterns in data

Who this book is for

If you're a database engineer looking to transition into analytics, or a backend engineer who wants to develop a deeper understanding of production data, you will find this book useful. This book is also ideal for data scientists or business analysts who want to improve their data analytics skills using SQL. Knowledge of basic SQL and database concepts will aid in understanding the concepts covered in this book.

Table of Contents

Understanding and Describing Data

The Basics of SQL for Analytics

SQL for Data Preparation

Aggregate Functions for Data Analysis

Window Functions for Data Analysis

Importing and Exporting Data

Analytics Using Complex Data Types

Performant SQL

Using SQL to Uncover the Truth - A Case Study

2 ) About the Author

Upom Malik is a data scientist who has worked in the technology industry for over 6 years. He has a master's degree in chemical engineering from Cornell University and a bachelor's degree in biochemistry from Duke University. He uses SQL and other tools to solve interesting challenges in finance, energy, and consumer technologies. While working on analytical problems, he has lived out of a suitcase and spent the last year as a digital nomad. Outside of work, he likes to read, hike the trails of the Northeastern United States, and savor ramen bowls from around the world.

Matt Goldwasser is a lead data scientist at T. Rowe Price. He enjoys demystifying data science for business stakeholders and deploying production machine learning solutions. Matt has been using SQL to perform data analytics in the financial industry for the last 8 years. He has a bachelor's degree in mechanical and aerospace engineering from Cornell University. In his spare time, he enjoys teaching his infant son data science.

Benjamin Johnston is a senior data scientist for one of the world's leading data-driven medtech companies and is involved in the development of innovative digital solutions throughout the entire product development pathway, from problem definition to solution research and development, through to final deployment. He is currently completing his PhD in machine learning, specializing in image processing and deep convolutional neural networks. He has more than 10 years' experience in medical device design and development, working in a variety of technical roles, and holds first-class honors bachelor's degrees in both engineering and medical science from the University of Sydney, Australia.