On the main Rel screen, you can quickly define your database and enter or edit data. You can also use the Tutorial D database language to define your database and enter or edit data, and you can use it to create scripts and operators to automate repeated operations.
The Rev visual query language makes it easy to define, debug, and use complex queries:
The visual query language is automatically translated into Tutorial D.
The command-line editor allows you to directly interact with Rel via the Tutorial D database language:
The output of the command-line and the Rev visual query language can be pasted directly into most word-processor documents and email packages and will retain its formatting.