Slide 1SQL: The Query Language Part 2 R & G - Chapter 5 1 Slide 2 Example Instances Reserves Sailors Boats 2 Slide 3 Queries With GROUP BY The target-list contains (i)…
Slide 1 1 Lecture 5: Relational calculus www.cl.cam.ac.uk/Teaching/current/Databases/ Slide 2 2 Relational calculus There are two versions of the relational calculus: –Tuple…