'Er diagrams' presentation slideshows

Database Systems

Database Systems. October 14, 2009 Lecture #5. Course Administration. Assignment #2 will be out on the course homepage. It is due in two weeks 10.28.2009. Assignment #1 is due today. Next week reading: Chapter 8: Overview of Storage and Indexing. Long Reflection: DB design.

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eCommerce Technology 20-751 Databases

eCommerce Technology 20-751 Databases. Concepts. Relational model SQL DB construction Normalization ER diagrams Transactions Web support. Critical Role of Data. Without data, an organization cannot function especially in eCommerce Initially, data was prepared for specific applications

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ECE 355: Software Engineering

ECE 355: Software Engineering. Traditional Analysis and Modeling Approaches Lectures notes by Instructor: Krzysztof Czarnecki. Three main views of the traditional approach (Structured Analysis). Process/functional view: Data flow diagrams Data structures: Entity-relationship diagrams

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CS351/ IT351 Modeling and Simulation

Software Engineering Dr. Jim Holten. CS351/ IT351 Modeling and Simulation. Overview. A Little History Project Needs The Roadmap A View from Afar. In the beginning. History. Machine code. Machine code is cryptic It was a new concept, so people had to train themselves

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Database Design: Conceptual Model to Logical Model (ER diagrams to tables)

Database Design: Conceptual Model to Logical Model (ER diagrams to tables). Database Design Process. Application 1. Application 2. Application 3. Application 4. External Model. External Model. External Model. External Model. Application 1. Conceptual requirements.

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C20.0046: Database Management Systems Lecture #2

C20.0046: Database Management Systems Lecture #2. Matthew P. Johnson Stern School of Business, NYU Spring, 2004. Relational schema. Relational DB. E/R design. DB development path. the World. Admin: use stern.nyu.edu addresses. Agenda. Last time: intro, RDBMS, ACID test

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Lecture 14: Entity Relationship Modelling

Lecture 14: Entity Relationship Modelling. The Entity-Relationship Model Entities Relationships Attributes Constraining the instances Cardinalities Identifiers Generalization. The Entity Relationship Model. Entity-Relationship Schema

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Chapter 3

Chapter 3. Data Modeling Using the Entity-Relationship Model. FIGURE 3.1 A simplified diagram to illustrate the main phases of database design. FIGURE 3.2 An ER schema diagram for the COMPANY database. FIGURE 3.3 Two entities, employee e 1 and company c 1 , and their attributes.

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Chapter 3

Chapter 3. Data Modeling Using the Entity-Relationship Model. FIGURE 3.1 A simplified diagram to illustrate the main phases of database design. FIGURE 3.2 An ER schema diagram for the COMPANY database. FIGURE 3.3 Two entities, employee e 1 and company c 1 , and their attributes.

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44220: Database Design & Implementation ER Diagramming

44220: Database Design & Implementation ER Diagramming. Ian Perry Room: C41C Tel Ext.: 7287 E-mail: I.P.Perry@hull.ac.uk http://itsy.co.uk/ac/0809/sem2/44220_DDI/. Conceptual Data Modelling Process. Identify ALL of the relevant Entities .

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CS361 Winter 2013 Final Exam Review

CS361 Winter 2013 Final Exam Review. Software Engineering I Oregon State University. Comprehensive Exam. The exam will cover the entire set of course material Contents will not be limited to this set of slides: please look at all of the slides. Materials.

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Personalised feedback with semi-automatic tool for conceptual database model

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CS 425 Database Organization ER Diagrams

CS 425 Database Organization ER Diagrams. Manju Muralidharan Priya. Fundamentals. Building Blocks. Advanced concepts. Notations. EXIT. ER Diagrams. An abstract and conceptual representation of data. It is used to design database schema Commonly used during Requirement Analysis phase.

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Civilization Craft ????? ?

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T.Y.B.Sc . Computer Science Final Year Project

Quality … Not Quantity. T.Y.B.Sc . Computer Science Final Year Project. First Few Steps. Fact Finding Ask the RIGHT Questions Review the Existing System Analysis and Planning Entity Relationship Diagram Activity / Sequence / Collaboration Diagram Class Diagram. Decide where and when

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Entity Relationship

Entity Relationship. Diagrams and symbols. What is an Entity Relationship?.

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Principles of Engineering System Design

Principles of Engineering System Design. Dr T Asokan asok@iitm.ac.in. Principles of Engineering System Design. GRAPHICAL MODELLING TECHNIQUES. Dr T Asokan asok@iitm.ac.in. MODELLING TCHNIQUES. Data Model : Relationships between data entities.

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Normalization Exercise

Normalization Exercise. Consider the following 3NF relations about a sorority or fraternity. MEMBER( member_ID , Name,Address , Dues_Owed ) OFFICE( Office_Name , Officer_ID , Term_Start_Date , Budget) EXPENSE( Ledger_Number , Office_Name , Expense_Date , Amt_Owed )

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