Database Modeling & Design Fourth Edition- P23 pdf

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... Conceptual data modeling, using either the ER or UML approach, is par- ticularly useful in the early steps of the database life cycle, which involve requirements analysis and logical design. These ... Page 81 Saturday, July 16, 2005 12:57 PM 80 CHAPTER 4 Requirements Analysis and Conceptual Data Modeling just the central focus of many simple relationships. If such points of grouping do...

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... are: 1. A->B, B->C, C->D, A->C, A->D, B->D (trivial case where H’ and H + are equal) 2. A->B, B->C, C->D, A->C, A->D 3. A->B, B->C, C->D, A->C (this ... FDs 2. Search for a nonredundant cover, G of H H: AB->C DM->NP A->DEFG D->M E->G L->D F->DJ PQR->ST G->DI PR->S D->KL Teorey.book Page 124 Saturday, July 16, 2005 ....

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... relational database, given the requirements specification for a retail store database. The example illustrates the database life cycle steps of conceptual data modeling, global schema design, transforma- tion ... order-no -> cust-no Salesperson(many): Department(one) sales-id -> dept-no Item(many): Department(one) item-no -> dept-no Order(many): Item(many): Salesperson(one) ord...

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... logical database design that CASE tools help design, annotate, apply, and modify. These include, for example, ER, and UML modeling, and how this modeling can be used to develop a logical database design. ... physical database design helps transform the logical design into actual database objects, such as tables, indexes, and constraints. The software tools provide significa...

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... 16, 2005 12:57 PM 208 CHAPTER 9 CASE Tools for Logical Database Design Sybase IWS uses standard database design constructs that port to many database systems, such as DB2 UDB, Oracle, Microsoft ... rich reporting features, though Sybase PowerDesigner has the richest capabilities. 9.11 Modeling a Data Warehouse In Chapter 8 we discussed the unique design considerations required...

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... selections). Conceptual Data Modeling and Integration Problem 4-1 The following ER diagrams represent two views of a video store database as described to a database designer. Show how the two ... 249 Exercises ER and UML Conceptual Data Modeling Problem 2-1 Draw a detailed ER diagram for an car rental agency database (e.g., Hertz), keeping track of the current rental ... entity or...

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... Teorey.book Page iv Saturday, July 16, 2005 12:57 PM

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... Database Modeling & Design: Logical Design Fourth Edition TOBY TEOREY SAM LIGHTSTONE TOM NADEAU AMSTERDAM • BOSTON ... Cerra Publishing Services Manager Simon Crump Editorial Assistant Asma Stephan Cover Design Yvo Riezebos Design Cover Image Getty Images Composition Multiscience Press, Inc. Technical Illustration ... CA 94111 This book is printed on acid-free paper. © 2006...

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