- What is the difference between a function and a stored procedure?
- What is the difference between a trusted and an untrusted language?
- In general, are functions good or bad?
- Which server-side languages are available in PostgreSQL?
- What is a trigger?
- Which languages can be used to write functions?
- Which language is the fastest?
Answers to these questions can be found in the GitHub repository (https://github.com/PacktPublishing/Mastering-PostgreSQL-13-Fourth-Edition)