'Er model basics contd' diaporamas de présentation

Database Management Systems Session 2

Database Management Systems Session 2. Instructor: Vinnie Costa vcosta@optonline.net. Beyond Relational Databases. http://www.acmqueue.org/modules.php?name=Content&pa=showpage&pid=299 Margo Seltzer, SleepyCat ACM Queue vol. 3, no. 3 - April 2005. Term Paper. Due Saturday, Oct 8

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Data Organization & ER Model

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Entity-Relationship Diagrams and the Relational Model

Entity-Relationship Diagrams and the Relational Model. CS 186, Fall 2007, Lecture 2 R & G, Chaps. 2&3. A relationship, I think, is like a shark, you know? It has to constantly move forward or it dies. And I think what we got on our hands is a dead shark. Woody Allen (from Annie Hall, 1979).

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The Entity-Relationship Model (Chapter 2)

The Entity-Relationship Model (Chapter 2). 1. Main Phases of Database Design. 2. Overview of Database Design. Conceptual design : ( ER Model is used at this stage.) What are the entities and relationships in the enterprise?

554 views • 43 slides

MIS3150 Data and Information Management Lecture 2 - Data and Process Modeling

MIS3150 Data and Information Management Lecture 2 - Data and Process Modeling. Arijit Sengupta. Structure of this semester. MIS3150. 1. Design. 2. Querying. 3. Advanced Topics. 0. Intro. 4. Applications. Database Fundamentals. Conceptual Modeling. Query Languages. Java DB

580 views • 42 slides

CAS CS 460/660 Entity/Relationship Model

CAS CS 460/660 Entity/Relationship Model. Review. What a DBMS offer? Efficient data organization Efficient data retrieval Data integrity. Review-the big picture. Data Modelling Relational E-R Query Languages SQL Relational Algebra Relational Calculus Storing Data File Indexes

540 views • 40 slides

CAS CS 460/660 Entity/Relationship Model

CAS CS 460/660 Entity/Relationship Model. Review. What a DBMS offer? Efficient data organization Efficient data retrieval Data integrity. Review-the big picture. Data Modelling Relational E-R Query Languages SQL Relational Algebra Relational Calculus Storing Data File Indexes

470 views • 38 slides

The Entity-Relationship Model

The Entity-Relationship Model. Overview of Database Design . Conceptual Design -- A first model of the real world (using ER modeling) What are the entities and relationships in the enterprise? What information about these entities and relationships should we store in the database?

276 views • 27 slides