Documents The Relational Language

The Relational Language Todd S. Bacastow January 2005 IST 210 History - Review Introduced by Codd in 1970 and provides : a simple data structure for modelling all data mathematically…

Documents Chapter 6 The Relational Data Model and the Relational Algebra

Chapter 6 The Relational Data Model and the Relational Algebra 6.1. The Relational Data Model Concepts The relational model of data is based on the concept of a relation…