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Full 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 DescriptionUnderstanding 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 forIf 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.
Contents
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
