'Logical database design' presentation slideshows

Unit 6 Database Design and the E-R Model

Unit 6 Database Design and the E-R Model. ??? ?? ??. PART I: ??? ?? Overview DB2 ??? SQL ?? ???? ????? (The Relational Model) ?? ????? (The Hierarchical Model ) ? ? ?? ????? (The Network Model ) ? ? PART II: ????? (Database Design) ??????? ? E-R Model ???????? ?

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Unit 6 File Organization and Access Methods

Unit 6 File Organization and Access Methods. Contents. 6.1 Introduction 6.2 Indexing 6.3 Hashing 6.4 Pointer Chains 6.5 Compression Techniques 6.6 Differential File Organization. ??????????? Approaches to Access/Store Large Data. ??? ?? ?????? ????????. 6.1 Introduction.

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Chapter 10

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Normalization

Normalization. Database Management System. Normalization. Normalization is the process of decomposing relations with anomalies to produce smaller, well structured relations.

1.21k views • 56 slides

Managing Data Resources

Chapter 7. Managing Data Resources. Objectives. Why do businesses have trouble finding the information they need in their information systems? How does a database management system help businesses improve the organization of their information?. Objectives.

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Database Course

Database Course. General Information. TAs : Gideon Rothschild, office hours: Sun 16:00-17:00 at Ross 109 Aron Matskin, office hours: TBA Course Homepage: http://www.cs.huji.ac.il/~db Course Email: db@cs.huji.ac.il Moderated Newsgroup: local.course.db.ta

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CSC271 Database Systems

CSC271 Database Systems. Lecture # 26. Summary: Previous Lecture. Enhanced Entity-Relationship (EER) model Specialization/Generalization Specialization/Generalization constraints Aggregation Composition Application of EER concepts to DreamHome. Building Conceptual Data Model.

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?????????? ???

?????????? ???. ? ? ? ( Chih-Chin Liu) ???? ????? July 2008. Outline. ???? (Bioinformatics): ????? ?????????? (Data Types) ???????? UML ???????? : UniBio ? / ???????? ??????. ???????. ??? ????? ????? ???? ????? ???? ???. ??? ???? ???? ??? ??? ???? ????. ????.

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DATABASE SYSTEMS, DATA WAREHOUSES, AND DATA MARTS

MIS. CHAPTER 3. DATABASE SYSTEMS, DATA WAREHOUSES, AND DATA MARTS. Hossein BIDGOLI. Chapter 3 Database Systems, Data Warehouses, and Data Marts. l e a r n i n g o u t c o m e s. LO1 Define a database and a database management system.

522 views • 41 slides

Database System

Database System. How problems associated with software development led to the software crisis . How the software crisis led to a structured approach to software development called the information systems lifecycle. - Objectives. 2. The stages of the database system development lifecycle.

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Chapter 2: The Database Development Process

Chapter 2: The Database Development Process . Modern Database Management 8 th Edition Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden. Chapter 2 Objectives. Information system architecture (ISA) System development life cycle (SDLC)

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Logical Database Design

Logical Database Design. Translating Unary and Ternary Relationships. Translating Unary One-to-Many Relationships. Create a relation for the entity type

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DATABASE SYSTEMS

DATABASE SYSTEMS. (SCD1523/SCK2423). CONCEPTUAL DATABASE DESIGN. Objectives. How to use ER modeling to build a conceptual data model based on information given in a view of the enterprise.

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Enterprise Resource Planning, 1 st Edition by Mary Sumner

Enterprise Resource Planning, 1 st Edition by Mary Sumner. Chapter 3: Planning, Design, and Implementation of Enterprise Resource Planning Systems. Objective. Understand the information systems development process for enterprise systems, including planning, design, and implementation.

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CHAPTER 2 Exploring Relational Database Components

???????????????????? (Advanced Database Systems). CHAPTER 2 Exploring Relational Database Components. Lecturer AJ . Suwan Janin. Phone: 089-148-3993 E-mail: suwanjanin@gmail.com. Outline. Conceptual Database Design Components Entities Attributes Relationships One-to-One Relationships

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ICS 321 Fall 2009 Introduction to Database Systems Asst. Prof. Lipyeow Lim

ICS 321 Fall 2009 Introduction to Database Systems Asst. Prof. Lipyeow Lim Information & Computer Science Department University of Hawaii at Manoa . Data, Database & DBMS. A database : a collection of related data. Represents some aspect of the real world (aka universe of discourse).

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CSIT313 Database Programming

CSIT313 Database Programming. Lecture 1: Database Design Methodology : Introduction. Learning Objectives. Database Design Terminology Purpose of Database Design Phases of Database Design. Database Application Lifecycle. DB Planning. System Definition. Requirements Collection and Analysis.

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Chapter 2 Fact-Finding Techniques

Chapter 2 Fact-Finding Techniques. When Are Fact-Finding Techniques Used?. There are many occasions for fact-finding during the database system development lifecycle.

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Chapters 15 &16

Chapters 15 &16. Conceptual and Logical Database Design Methodology. Agenda. Definition Conceptual database design Relational database - logical design Example. Definition. Design methodology Structured design approach using procedures, techniques, tools and documentation aids

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Chapters 15 &16

Chapters 15 &16. Conceptual and Logical Database Design Methodology. Agenda. Definition Conceptual database design Relational database - logical design Example. Definition. Design methodology Structured design approach using procedures, techniques, tools and documentation aids

217 views • 9 slides