An idea originating from my research into relational algrebra and how it has been lost to SQL and its dominance. I was originally curious as to what we might be losing out on, and I also saw a lack of ...

RQLT is a command-line application that translates relational algebra expressions to relational calculus ones and vice-versa using Java and ANTLR. You can move the file s1705270-0.0.1-SNAPSHOT.jar to ...

Abstract: Parallel execution of relational algebra operators can be performed on single computer, multiprogramming or multitasking operating systems. In doing so, time response can be improved, ...

(1) The branch of mathematics that deals with relations; for example, AND, OR, NOT, IS and CONTAINS. (2) In a relational database, a collection of rules for dealing with tables; for example, JOIN, ...

Abstract: We give a language-independent characterization of the expressive power of the relational algebra on finite sets of source-target relation instance pairs. The associated decision problem is ...