The Relational Model

Post on 05-Jan-2016

24 views 0 download

Preview:

Click to see full reader

description

The Relational Model. Why Study the Relational Model?. Most widely used model. Vendors: IBM, Informix, Microsoft, Oracle, Sybase, etc. “Legacy systems” in older models E.G., IBM’s IMS Recent competitor: object-oriented model ObjectStore, Versant, Ontos - PowerPoint PPT Presentation

The Relational Model

Documents

UNIT II RELATIONAL MODEL The relational model

Chapter 3 relational model 3.1 An Informal Look at the Relational ModelAn Informal Look at the Relational Model 3.2 The Relational AlgebraThe Relational.

Database Relational Model. The Relational Data Model Data Modeling Data Modeling Relational Schema Relational Schema Physical storage Physical storage.

Chapter 4: Relational Model€¦ · Chapter 4: Relational Model Content: •Relational model •How to transform ER diagrams into a relational model Next: •Transform relational

The Relational Model and Relational Database Constraints

ERM to Relational Modelcomponents of a entity relational model (ER) • Introduce the relational model • Mapping from the ERM to the Relational model • Introduction to the SQL

chapter 2 relational model - SJTUli-fang/Chapter2-relationalModel.pdf · Chapter 2 The relational Model of data 1 Relational model introduction . Contents ... Relational algebra:

The Relational Model

Relational Model dww-database system. Outline Relational Model Concepts Relational Model Constraints & Relational Database Schemas Update Operation &

DBS Database Systems The Relational Model, the Relational ...homepages.inf.ed.ac.uk/opb/dbs/slides/02.pdf · DBS Database Systems The Relational Model, the Relational Algebra and

The Relational Model & Relational Algebra - Gordon College

Databases Unit 2 Relational data model and relational ...€¦ · Relational model and relational algebra Relational data model Relational algebra. Databases Relational data model

The Relational Data Model and Relational Database ... · PDF fileElmasri/Navathe, Fundamentals of Database Systems, Fifth Edition 3 Relational Model Concepts • The relational Model

Lecture 3/1 The Relational Model: Relational …mit.wu.ac.th/mit/images/editor/files/itm661-lecture03...Lecture 3/1 The Relational Model: Relational Algebra and Relational Calculus

Databases 2010 The Relational Model and SQLmis/dDB/sql-2010-1.pdf · Databases 2010 The Relational Model and SQL ... The Relational Model and SQL. 14. Advantages of The Relational

CS352 Lecture -The Relational Model; Relational Algebra Model... · CS352 Lecture -The Relational Model; Relational Algebra last revised January 3, 2019 Objectives: 1. To brieﬂy

Relational Model and Relational Algebrassjaswal.com/wp-content/uploads/2018/08/DBMS-module3.pdf · Mapping the ER and EER Model to the Relational Model, Introduction to Relational

Relational Model - Department of Computer Sciencedianeh/csc343_2014f/posted_lectures/manos/... · Relational Model CSC343 ... Relational algebra is the key. The Relational Model ...

The Relational Model & Relational Algebra

The Relational Data Model and Relational Database Constraints · »The Relational Data Model »Relational Model Constraints »Update Operations »Relational Algebra . Relational Model