Relational Database (Beta)

Database icon

For these courses, you will use real developer tools and software including VS Code, PostgreSQL, and the Linux / Unix command line to complete interactive tutorials and build projects.

These courses start off with basic Bash commands. Using the terminal, you will learn everything from navigating and manipulating a file system, scripting in Bash, all the way to advanced usage.

Next, you will learn how to create and use a relational database with PostgreSQL, a database management system, and SQL, the language of these databases.

Finally, you will learn Git, the version control system, an essential tool of every developer.

Courses

Learn Bash by Building a Boilerplate

The terminal allows you to send text commands to your computer that can manipulate the file system, run programs, automate tasks, and much more.

In this 170-lesson course, you will learn terminal commands by creating a website boilerplate using only the command line.

Learn Relational Databases by Building a Mario Database

A relational database organizes data into tables that are linked together through relationships.

In this 165-lesson course, you will learn the basics of a relational database by creating a PostgreSQL database filled with video game characters.

Celestial Bodies Database

This is one of the required projects to earn your certification.

For this project, you will build a database of celestial bodies using PostgreSQL.

Learn Bash Scripting by Building Five Programs

Bash scripts combine terminal commands and logic into programs that can execute or automate tasks, and much more.

In this 220-lesson course, you will learn more terminal commands and how to use them within Bash scripts by creating five small programs.

Learn SQL by Building a Student Database: Part 1

SQL, or Structured Query Language, is the language for communicating with a relational database.

In this 140-lesson course, you will create a Bash script that uses SQL to enter information about your computer science students into PostgreSQL.

Learn SQL by Building a Student Database: Part 2

SQL join commands are used to combine information from multiple tables in a relational database

In this 140-lesson course, you will complete your student database while diving deeper into SQL commands.

World Cup Database

This is one of the required projects to earn your certification.

For this project, you will create a Bash script that enters information from World Cup games into PostgreSQL, then query the database for useful statistics.

Learn Advanced Bash by Building a Kitty Ipsum Translator

There's more to Bash commands than you might think.

In this 140-lesson course, you will learn some more complex commands, and the details of how commands work.

Learn Bash and SQL by Building a Bike Rental Shop

In this 210-lesson course, you will build an interactive Bash program that stores rental information for your bike rental shop using PostgreSQL.

Salon Appointment Scheduler

This is one of the required projects to earn your certification.

For this project, you will create an interactive Bash program that uses PostgreSQL to track the customers and appointments for your salon.

Learn Nano by Building a Castle

Nano is a program that allows you to edit files right in the terminal.

In this 40-lesson course, you will learn how to edit files in the terminal with Nano while building a castle.

Learn Git by Building an SQL Reference Object

Git is a version control system that keeps track of all the changes you make to your codebase.

In this 240-lesson course, you will learn how Git keeps track of your code by creating an object containing commonly used SQL commands.

Periodic Table Database

This is one of the required projects to earn your certification.

For this project, you will create Bash a script to get information about chemical elements from a periodic table database.

Number Guessing Game

This is one of the required projects to earn your certification.

For this project, you will use Bash scripting, PostgreSQL, and Git to create a number guessing game that runs in the terminal and saves user information.

Browse our other free certifications (we recommend doing these in order)