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Data Visualization for Everyone
An introduction to data visualization with no coding involved.
Introduction to SQL
Master the basics of querying tables in relational databases such as MySQL, SQL Server, and PostgreSQL.
Joining Data in SQL
Join two or three tables together into one, combine tables using set theory, and work with subqueries in PostgreSQL.
Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.
PostgreSQL Summary Stats and Window Functions
Learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon!
Functions for Manipulating Data in PostgreSQL
Learn the most important PostgreSQL functions for manipulating, processing, and transforming data.
Exploratory Data Analysis in SQL
Learn how to explore what's available in a database: the tables, relationships between them, and data stored in them.
Data-Driven Decision Making in SQL
Learn how to analyze a SQL table and report insights to management.