SQL for Data Analytics
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 business insights from data, this course is for you.
SQL for Data Analytics covers everything you need progress from simply knowing basic SQL to telling stories and identifying trends in data. You’ll be able to start exploring your data by identifying patterns 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 understand how to become productive with SQL with the help of profiling and automation to gain insights faster.
By the end of the course, you’ll able to use SQL in everyday business scenarios efficiently and look at data with the critical eye of analytics professional.
After completing this course, you will be able to:
- Use SQL to summarize and identify patterns in data
- Apply special SQL clauses and functions to generate descriptive statistics
- Use SQL queries and subqueries to prepare data for analysis
- Perform advanced statistical calculations using the window function
- Analyze special data types in SQL, including geospatial data and time data
- Import and export data using a text file and PostgreSQL
- Debug queries that won't run
- Optimize queries to improve their performance for faster results
- OS: Windows 7, Mac OS X 10.8 or a recent GNU/Linux distribution
- Browser: Google Chrome, Latest Version
- VSCode IDE, Latest Version
- Compiler: LLVM clang, Latest Version
For the optimal student experience, we recommend the following hardware configuration:
- Processor: Intel Core i3 or equivalent
- Memory: 2GB RAM
- Storage: 1 GB available space processor: 2.5 GHz or higher (or equivalent)
Lesson 1: Understanding and
Describing Data
The World of Data
Methods of Descriptive Statistics
Statistical Significance Testing
Lesson 2: The Basics of SQL for
Analytics
Relational Databases and SQL
Basic Data Types of SQL
Reading Tables: The SELECT Query
Creating Tables
Updating Tables
Deleting Data and Tables
SQL and Analytics
Lesson 3: SQL for Data
Preparation
Assembling Data
Transforming Data
Lesson 4: Aggregate Functions
for Data Analysis
Aggregate Functions
Aggregate Functions with GROUP BY
The HAVING Clause
Using Aggregates to Clean Data and Examine Data Quality
Lesson 5: Window Functions for
Data Analysis
Window Functions
Statistics with Window Functions
Lesson 6: Importing and
Exporting data
The COPY Command
Using R with Our Database
Using Python with Our Database
Best Practices for Importing and Exporting Data
Lesson 7: Analytics Using
Complex Data Types
Date and Time Data Types for Analysis
Performing Geospatial Analysis in Postgres
Using Array Data Types in Postgres
Using JSON Data Types in Postgres
Text Analytics Using Postgres
Lesson 8: Performant SQL
Database Scanning Methods
Performant Joins
Functions and Triggers
Lesson 9: Using SQL to Uncover
the Truth - A Case Study
Case Study