We argue that a parallel or distributed database system is actually an excellent platform upon which to build such functionality. Most relational systems already have support for cost-based ...

The main application of relational algebra is providing a theoretical foundation for relational databases, particularly query languages for such databases, chief among which is SQL.

It could be a nice way to do complex operations with a more powerful datatype than a Dict or it could be a nice/sane way to interact with a database by transforming relational operations into SQL. Or ...

Abstract: A group-select operation has been defined for relational algebra. This operation is found to be useful ... making the operation more suitable for use with a database machine with an ...

Instead of defining query operations using mathematical notation (the approach commonly taken in database ... students can learn relational algebra the same way they learn SQL-through programming.