Slide 11 Lecture 4: Advanced SQL Slide 2 2 INTERSECT and EXCEPT: (missing from MySQL) (SELECT R.A, R.B FROM R) INTERSECT (SELECT S.A, S.B FROM S) (SELECT R.A, R.B FROM R)…
Slide 1 Lecture4: Informal guidelines for good relational design Mapping ERD to Relation Ref. Chapter3 Lecture4 1 Slide 2 Outlines Guideline 1: Semantics of the Relation…