Slide 1 Database Management Systems Chapter 3 The Relational Data Model (II) Instructor: Li Ma Department of Computer Science Texas Southern University, Houston September,…
Slide 1 1 Functional Dependencies Meaning of FD’s Keys and Superkeys Inferring FD’s Slide 2 2 Functional Dependencies uX -> A is an assertion about a relation R that…
Functional Dependencies Why FD's Meaning of FDâs Keys and Superkeys Inferring FDâs Source: slides by Jeffrey Ullman Improving Relation Schemas Set of relation schemas…