In this paper, the authors describe a custom relational algebra query software environment that enables database instructors to teach relational algebra programming. Instead of defining query ...

Bob Muglia is something of a bard of databases, capable of unfurling sweeping tales in the evolution of technology. That is what Muglia, former Microsoft executive and former Snowflake CEO, did ...

A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...