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.