DBMS lessons - source code Lesson 01 - Installing the Chinook Database Lesson 02 - PostgreSQL from the Command Line Lesson 03 - Installing the Libraries and Setting Up Lesson 04 - Introducing an ORM Lesson 05 - Running Basic Queries Lesson 06 - Introducing Class-Based Models Lesson 07 - CodeAlong: Create and Read Lesson 08 - CodeAlong: Update and Delete