123
RELATIONAL DATABASE DESIGN VIA ER MODELLING CHAPTER 9 (6/E) CHAPTER 7 (5/E)
1 Data Models How to structure data. 2 What is a Data Model? Having formed a model of the enterprise, we now need to represent the data. The data model.
Data Models
1 IT 244 Database Management System Lecture 11 More SQL Constraints &Triggers, SQL Authorization,Transactions Foreign Keys, Local and Global Constraints,
IT 244 Database Management System
The Relational Model 1
Constraints
