'Er diagram' diaporamas de présentation

CS5423 Principles of Database Systems

CS5423 Principles of Database Systems. DB Fundamentals. What are Database Management Systems. DBMS is a system for providing EFFICIENT , CONVENIENT , and SAFE MULTI-USER storage of and access to MASSIVE amounts of PERSISTENT data. Capabilities of DBMS. Persistent Storage

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CMSC424: Database Design

CMSC424: Database Design. 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 How/where to store data, how to access it

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BIS3635 - Database Systems School of Management, Business Information Systems, Assumption University A.Thanop Somprason

Chapter # 4 Entity Relationship (ER) Modeling. BIS3635 - Database Systems School of Management, Business Information Systems, Assumption University A.Thanop Somprasong. In this chapter, you will learn: The main characteristics of entity relationship components

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Chapter 2

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Chapter 4: Enhanced Entity-Relationship (EER) Modeling

Chapter 4: Enhanced Entity-Relationship (EER) Modeling. Data Modeling and Database Design. Remember!. Presentation Layer ER Diagram ? C ontains hashes and oval Design-specific ER Diagram (Coarse-granularity) ? Uses (min, max) notation ? Maps deletion rules

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Data Modeling

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LBSC 690: Week 7 Relational Databases

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Chapter 4 Part 2 Relational Database Design by ER and EER-to-Relational Mapping

Chapter 4 Part 2 Relational Database Design by ER and EER-to-Relational Mapping. Mapping EER Model Constructs to Relations. Step8: Options for Mapping Specialization or Generalization.

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Movie Spot Great movies on the spot

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Plan

Plan. Analyze. Systems Development Life Cycle . Design. Hunting Bikes Co. . Develop. Test. Implement. Maintain. Plan. System For Development. Analyze. Website- This website is to include an online showcase which will display photos of our bikes along with each bikes specifications.

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IEOR 115 Industrial and Commercial Data Systems

IEOR 115 Industrial and Commercial Data Systems. Fall 2013, Lab 1. Animesh Garg PhD Student, IEOR. Intro to MS Access. D atabase creation and management program We will learn Relational Databases Implementation in MS Access. Access to MS Access. Install on Personal Laptops

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Entity Relationship Diagrams

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PI : Prof. Anne Pusey (Dept. of Ecology)

A Digital Library to Archive Research Material from Jane Goodall's Gombe Chimpanzee Project www.goodall.msi.umn.edu. PI : Prof. Anne Pusey (Dept. of Ecology) Co-PIs : Prof. Shashi Shekhar (Dept. of Computer Science) Prof. Jaideep Srivastava (Dept. of Computer Science)

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Database Project Sarah Summers

Database Project Sarah Summers. Goal: Create a web based software, music and book store. Software: Server Application: MySQL Apache Server PHP. Administrator Adds entries to db Deletes db entries Modifies db entries. User Searches book entries Searches music entries

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CS 430 Database Theory

CS 430 Database Theory. Winter 2005 Lecture 3: A Fifty Minute Introduction to Data Modeling. What is Data Modeling?. Answer: Modeling the data that will be in our database What data will be in our database? The data needed to support our application

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Example

Example. 1. M. EMPLOYEE. COURSE. ER Diagram & Normalisation. An employee can teach many course, and a course can be taught by 1 employee only (One-to-Many relationship)?. M. M. EMPLOYEE. ENROL. COURSE. ER Diagram & Normalisation. M. M. EMPLOYEE. COURSE. 1. 1.

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The (min,max) notation

The (min,max) notation. (0,1). (1,1). Employee. Department. Manages. (1,1). (1,N). Employee. Department. Works-for. E 1. SUMMARY OF ER-DIAGRAM NOTATION FOR ER SCHEMAS. Symbol. Meaning ENTITY TYPE WEAK ENTITY TYPE RELATIONSHIP TYPE IDENTIFYING RELATIONSHIP TYPE ATTRIBUTE

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Assignment #1 due Wed. Sept. 26, 2012 (in third edition) 1. (30) Answer all the questions listed on Page 67 2. (35) Exe

Assignment #1 due Wed. Sept. 26, 2012 (in third edition) 1. (30) Answer all the questions listed on Page 67 2. (35) Exercise 3.19 on Page 68 3. (35) Exercise 3.22 on Page 69

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E-R Exercise A Company database needs to store information about: employees (identified by ssn , with salary and ph

E-R Exercise A Company database needs to store information about: employees (identified by ssn , with salary and phone as attributes), departments (identified by dno with dname and budget as attributes ), children of employees (with name and age as attributes).

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Author Author ID (specific to this database) Last Name First Name Middle Name Website URL (when applicable)

ER. Diagram. (please see slide #2 for more info). Book Book ID (specific to this database) Title ISBN Library of Congress # Dewey Decimal # Publication Date Genre (when applicable) Reading Level (when applicable) Page Count Language Publication Date. writes ? .

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