Learn to use single table inheritance to allow multiple classes to be stored in the same database table.

In this episode, we look at various tips and tricks.

Advancing from Single Table Inheritance, learn how Polymorphic Associations differ and tricks to simplify their usage.

In this episode we create a Like/Unlike system where users can like posts and use Global ID to obfuscate IDs.

Store multiple attributes and values using a text column. Not for everyday use, but has situations where it can save on the number of columns and/or models needed to accomplish a task.