'Relational database design' presentation slideshows

Chapter 7: Relational Database Design

Chapter 7: Relational Database Design. Chapter 7: Relational Database Design. First Normal Form Pitfalls in Relational Database Design Functional Dependencies Decomposition Boyce-Codd Normal Form Third Normal Form Multivalued Dependencies and Fourth Normal Form

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Chapter 7: Relational Database Design

Chapter 7: Relational Database Design. The Banking Schema. branch = ( branch_name , branch_city , assets ) customer = ( customer_id , customer_name , customer_street , customer_city ) loan = ( loan_number , amount ) account = ( account_number , balance )

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Chapter 7: Relational Database Design

Chapter 7: Relational Database Design. First Normal Form Pitfalls in Relational Database Design Functional Dependencies Decomposition Boyce-Codd Normal Form Third Normal Form Multivalued Dependencies and Fourth Normal Form Overall Database Design Process. First Normal Form.

822 views • 71 slides

Object oriented Database

Object oriented Database. Lecture 21. Prof. Sin-Min Lee. Database Management Systems. Database Models Relational Database Object Oriented Database Model Deductive Database Model Hierarchial Database Model Network Datbase Model. Data Models: 1 st Generation. Hierarchical Data Model

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Databases

Databases. Week 6 LBSC 690 Information Technology. Agenda. Questions Relational database design Microsoft Access. Databases. Database Collection of data, organized to support access Models some aspects of reality DataBase Management System (DBMS)

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Chapter 7: Relational Database Design

Chapter 7: Relational Database Design. Pitfalls in Relational Database Design Decomposition Normalization Using Functional Dependencies Normalization Using Multivalued Dependencies Normalization Using Join Dependencies Domain-Key Normal Form Alternative Approaches to Database Design.

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???????? 6 . ?????????? ?????? ????????? ??? ?????????????? (Normalization). Outline. Relational Database Design and Normalization Relational Database Design - Objectives Criteria / Guidelines for a good design Functional Dependencies - The Normal Forms Decompositions

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Chapter 7: Relational Database Design

Chapter 7: Relational Database Design. Chapter 7: Relational Database Design. Features of Good Relational Design Atomic Domains and First Normal Form Decomposition Using Functional Dependencies Functional Dependency Theory Algorithms for Functional Dependencies

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Enhanced Entity-Relationship Modeling

Enhanced Entity-Relationship Modeling. Strong and Weak Entity Types. Strong entity: Each object is uniquely identifiable using primary key of that entity type. Weak entity: Each object cannot be uniquely identified using only the attributes associated with that entity type.

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Entity Relationship Modeling

Entity Relationship Modeling. Objectives: To illustrate how relationships between entities are defined and refined. To know how relationships are incorporated into the database design process. To describe how ERD components affect database design and implementation.

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Chapter 7: Relational Database Design

CS157B. Lecture 8 MVD. Chapter 7: Relational Database Design. Example R = ( student_id, student_name, course_id, course_name ) F = { student_id ? student_name, course_id ? course_name } { student_id, course_id } is a candidate key. F c = F R 1 = ( student_id, student_name )

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BSYS 2060 Lecture 4, April 12 th

BSYS 2060 Lecture 4, April 12 th. Midterm overview Normalization. Agenda. External events Announcements Midterm format Course questions Normalization Bank database exercise Team project. http://www.vef.org/. http://www.newventuresbc.com/the-competition/about-the-competition/.

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Lecture 7: Schema refinement: Normalisation

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Microsoft Access 2010 Overview of Microsoft Access Databases

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Database Design: ER Modelling

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Lesson 32: Designing a Relational Database

Lesson 32: Designing a Relational Database. Lesson Objectives. After studying this lesson, you will be able to: Identify and apply principles for good relational database design Modify field settings and create Lookup fields that return multiple values Create a split form

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CMSC424: Normalization (Part 1 of 3)

CMSC424: Normalization (Part 1 of 3). Instructor: Amol Deshpande amol@cs.umd.edu. Databases. Data Models Conceptual representation of the data Data Retrieval How to ask questions of the database How to answer those questions Data Storage

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2IJ60: Informatica 6 (Databases)

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Approaches to System Development

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