Andy Pavlo (https://www.cs.cmu.edu/~pavlo/) Slides: https://15445.courses.cs.cmu.edu/fall2025/slides/01-relationalmodel.pdf Notes: https://15445.courses.cs.cmu.edu/fall2025/notes/01-relationalmodel.pdf 15-445/645 Intro to Database Systems (Fall 2025) Carnegie Mellon University https://15445.courses.cs.cmu.edu/fall2025/