Open Source RAD with OpenObject PREAMBLE OpenERP is a modern Enterprise Management Software, released under the AGPL license, and featuring CRM, HR, Sales, Accounting, Manufacturing,…

1. Including Constraints 2. Objectives After completing this lesson, you should be able todo the following: Describe constraints Create and maintain constraints 3. What are…

1. Copyright © 2007 Ramez Elmasri and Shamkant B. Navathe Slide 8- 1 2. Chapter 8SQL-99: Schema Definition,Constraints, and Queries and ViewsCopyright © 2007 Ramez Elmasri…

1. DBMS Owned By MySQL, Open Source RDMS MS Access Microsoft Oracle Oracle Corporation(ORDMS) Sybase SAP Company SQL Server Microsoft (RDMS) Postgresql Open Source RDMS Informix…

Slide 1Set Theory A set is a collection of objects, or elements. Sets are represented by capital letters, and elements by lower case (usually). Set A contains elements 1,…

Slide 1COP4540 Database Management System Midterm Review Reviewed by Ramakrishna Slides created by Fernando & edited by Ramakrishna Slide 2 AGENDA Ch1. Overview of DBMSs…

Page 1 Vues Page 2 2/51 Vues n Table deriveé des tables existants (table de base) u Accès adapte a besoin d'application (couche externe) u Stockage des requêtes u…

Slide 1 Constraints Slide 2 Cosa sono in Constraints? forzano una regola quando si agisce con una insert, update o delete su una tabella prevengono la cancellazione di una…

1.  2. Chapter 8 SQL-99: SchemaDefinition, Constraints, and Queries and Views 3. Data Definition, Constraints, and Schema Changes Used to CREATE, DROP, and ALTER the descriptions…

1. Year 1 LESSON 4BASIC CONCEPT OF SETS♦A set is a collection of related items♦Each items is called an element or member of the setCS113/0401/v1 Lesson 4 - 1 2. Year…