Documents Database Management Systems Chapter 3 The Relational Data Model (II) Instructor: Li Ma Department of...

Slide 1 Database Management Systems Chapter 3 The Relational Data Model (II) Instructor: Li Ma Department of Computer Science Texas Southern University, Houston September,…

Documents 1 Functional Dependencies Meaning of FD’s Keys and Superkeys Inferring FD’s.

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…

Documents 1 Functional Dependencies Why FD's Meaning of FD’s Keys and Superkeys Inferring FD’s Source:...

Slide 1 1 Functional Dependencies Why FD's Meaning of FD’s Keys and Superkeys Inferring FD’s Source: slides by Jeffrey Ullman Slide 2 2 Improving Relation Schemas…