Bmg is a relational algebra implemented as a Ruby library. It implements the Relation as First-Class Citizen paradigm contributed with Alf a few years ago. Bmg can be used to query relations in memory ...

A Study in Division Operation of Relational algebra Based on The Intersection of Serval Sets : Source: Proceedings of 2010 Asia-Pacific Youth Conference on Communication (APYCC 2010 E-BOOK) (pp ...

Relational algebra is the basis of relational database theory, however, SQL is a concrete realization of the standard computer language. Particularly, the division problem in Relational algebra, in ...

Faced with contemporary complex requirements and hardware environments, relational databases are not as adept. Relational algebra is too simple and lacks sufficient data types and operations.

The relational knowledge graph introduces a new language, called Rel, although, "SQL remains important," Muglia said, "SQL is not going away," as it serves as a kind of on-ramp to the new world of ...

The query processor software executes relational algebra instructions interactively, ... Thus, students can learn relational algebra the same way they learn SQL-through programming.

Most relational systems already have support for cost-based optimization—which is vital to scaling linear algebra computations—and it is well known how to make relational systems scalable. We show ...