Jun Yang
Department of Computer Science
Duke University
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I wrote RA, a simple, portable relational algebra interpreter written in Java that works on top of (many) SQL-based relational database systems. It's perfect for learning relational algebra. I've used it in teaching my courses, and a variant of it has been used by Prof. Jennifer Widom's popular online database course at Stanford.

Last updated Tue Apr 04 09:55:21 EDT 2017