Rel Concepts
A set of concept guides explaining key aspects of the Rel language.
Concept Guides cover topics important to developing quality applications in Rel.
List of Concept Guides
Installing Models
- Introduces the concept of an "installed source", which is a set of definitions that persist as part of the database.
Integrity Constraints
- Introduces integrity constraints in Rel. Ensure that data integrity is not affected by data insertion, updates, and other processes.
Modules
- Introduces the Rel module syntax, where relations can be grouped together as
modules . Value Types
- Describes how to define your own types in Rel.
Recursion
- Explains recursive logic and how to write recursively defined relations.
Relational Data Modeling
- Describes how to use relations to model data.
Entities
- Introduces Rel's support for entities, objects that exist independently of their representation in the database.
Updating Data
- Describes how to persist and update data in a RAI database using the Rel language.
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