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1.   2. Distributed DatabasesandClient-ServerArchitecturesChapter 25 3. Distributed Database ConceptsData Fragmentation, Replication, and Allocation Techniques for Distributed…

Documents 6 Relational Schema Design

Database Design and Normal Forms Database Design coming up with a ‘good’ schema is very important How do we characterize the “goodness” of a schema ? If two or more…

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1. Copyright © 2007 Ramez Elmasri and Shamkant B. Navathe Slide 7- 1 2. Chapter 7Relational Database Design by ER-and EERR-to-Relational MappingCopyright © 2007 Ramez Elmasri…

Documents Chapter 7 Relational Database Design by ER- and EERR-to-Relational Mapping Copyright © 2004 Pearson...

Slide 1 Slide 2 Chapter 7 Relational Database Design by ER- and EERR-to-Relational Mapping Copyright © 2004 Pearson Education, Inc. Slide 3 Copyright © 2004 Ramez Elmasri…

Documents Database Normalization Revised

Sudipta Saha Page 1 5/6/2011 Database Normalization Theory (Upto BCNF) The goal of a relational-database design is to generate a set of relation schemas that allows us to…

Documents Active DatabasesCIS 6711 Triggers: The Problem - Examples from COMPANY Database 1.Limit all salary.....

Slide 1 Active DatabasesCIS 6711 Triggers: The Problem - Examples from COMPANY Database 1.Limit all salary increases to 50%. 2.Enforce policy that salaries may never decrease.…

Documents LECTURE 3 THE RELATIONAL DATABASE MODEL. Origins of the Relational Data Model It was developed by...

Slide 1 LECTURE 3 THE RELATIONAL DATABASE MODEL Slide 2 Origins of the Relational Data Model It was developed by E.F. Codd in the early 1970s Commercial systems based on…

Documents Triggers : The Problem - Examples from COMPANY Database

Triggers: The Problem - Examples from COMPANY Database Limit all salary increases to 50%. Enforce policy that salaries may never decrease. Maintain TotalSalary in DEPARTMENT…