Rel Primer Overview

The Rel Primer is an introduction to the main features of Rel, targeted to practitioners who want to use Rel — developers, data scientists, and programmers. It assumes basic knowledge of database concepts and programming.

Basic Syntax: The basic syntax section presents the basic elements of Rel, and then gradually introduces new features, building on previous ones.
Aggregations, Group-by, and Joins: We next present aggregations, group-by, and joins, which are important, commonly used relational operations.
Advanced Syntax: The advanced syntax section describes more advanced aspects of the language, including overloading and higher-order syntax.