'Table structures' diaporamas de présentation

Introduction to Database Design Methodology

Introduction to Database Design Methodology. Chapter 7 Normalisation. Learning Goals. To learn the techniques of normalisation To improve poor table structures by normalisation up to 3NF. Table of Contents. What is Normalisation? Stages in Normalisation First Normal Form (1NF)

1.03k views • 82 slides

Database Systems: Design, Implementation, and Management Tenth Edition

Database Systems: Design, Implementation, and Management Tenth Edition. Chapter 6 Normalization of Database Tables. Objectives. In this chapter, students will learn: What normalization is and what role it plays in the database design process

1.04k views • 54 slides

Database Concepts

Database Concepts. Advanced. Flat-File vs Relational DB. Flat File Database

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Concurrency Control III

Concurrency Control III. Dead Lock Time Stamp Ordering Validation Scheme. Learning Objectives. Dealing with Deadlock and Starvation Time Stamp Ordering Technique Validation. Deadlocks. Detection Wait-for graph Prevention Resource ordering Timeout Wait-die Wound-wait.

447 views • 35 slides

Database Software Creation Process

Database Software Creation Process. Arvin Meyer, MCP, MVP arvinm@datastrat.com. Arvin Meyer, MCP, MVP arvinm@datastrat.com Chief Database Architect. Process. Identify Functional Requirements Identify Performance Requirements Define Measures of Performance Define Personal Roles

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5.4 Improving the Design

5.4 Improving the Design. Table structures cleaned up to eliminate initial partial and transitive dependencies Normalization cannot, by itself, be relied on to make good designs It is valuable because its use helps eliminate data redundancies. Improving the Design (continued).

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Introduction to Database Design Methodology

Introduction to Database Design Methodology. Chapter 6 Data Redundancy and Anomalies. Learning Goals. To explain the problems associated with poorly-designed database To identify good and poor table structures. Table of Contents. Problems with Poorly-designed Database

446 views • 23 slides

Introduction to Database Design Methodology

Introduction to Database Design Methodology. Chapter 6 Data Redundancy and Anomalies. Learning Goals. To explain the problems associated with poorly-designed database To identify good and poor table structures. Table of Contents. Problems with Poorly-designed Database

328 views • 23 slides

DBS201: Normalization Review

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DBS201: Normalization Review

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Database & DBMS

Database & DBMS. The data that goes into transaction processing systems (TPS), also goes to a database to be stored and processed later by decision support systems (DSS) or other information systems (see next 2 slides). Information (processed data) can also be stored in a database.

228 views • 15 slides

Database of favorite TV show episodes

David Lloyd December 15, 2011. Database of favorite TV show episodes . Project Scenario. This is a database that consists of TV show episodes. In this database it consists of the following attributes E pisodes Shows Actors Directors C haracters. Project Scenario (cont).

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Relationships

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Cs 2500 Conversion Inspiring Minds/tutorialoutletdotcom

FOR MORE CLASSES VISIT www.tutorialoutlet.com CS 2500 Elementary School Candy Sales Database Design Problem The following table is an attempt to track the sale of candy by elementary school students. The sale is to raise money for a school trip. Each class could have several students attempting to sell candy they have received. Each student is given several units of candy (QtyR), and the amount of each that they have sold is recorded (QtyS).

62 views • 3 slides