The relational schemas below capture the data requirements for a group of studio cinemas, and the movies currently showing. (a) Write the relational algebra expression to find all the stars’ names who ...

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 ...