Database Modeling and Design: Logical Design 4th Edition Toby Teorey‚ Sam Lightstone‚ Tom Nadeau Lecture Notes Contents I. Introduction ................................................................………...……2 Relational database life cycle 3 Characteristics of a good database design process 6 II. The Entity-Relationship (ER) Model …………...……………….7 Basic ER concepts 7 Ternary relationships 11 III. The Unified Modeling Language (UML)………...…………….13 Class diagrams 13 Activity
Premium Data modeling Entity-relationship model Database normalization
References: Documentations ➢ D. Maier and J. Stein‚ Indexing in an object-oriented DBMS. ➢ Alfons Kemper and Guido Moerkotte‚ Object-Oriented Database Management‚ 1994 Websites ➢ David Maier’s home page: www.cse.ogi.edu/~maier ➢ http://en.wikipedia.org/wiki/Object_database ➢ http://www.comptechdoc.org/independent/database/basicdb/dataobject.html
Premium Object-oriented programming
* T * PERFORMANCE measures that are established for a process are known as metrics. T * Once a process is identified‚ defined‚ evaluated‚ and redesigned‚ the benefits of the process analysis cycle are realized. F * A service blueprint is a flowchart of a service process that shows which of its steps has high customer contact. T * The general principle that 80% of a company’s revenue is generated by 20% of its customers is known as the pareto concept. * A fishbone diagram identifies
Premium Flowchart Management Diagram
MODULE: DATABASE DESIGN & DEVELOPMENT ASSIGNMENT TITLE: VETERINARY SURGERY DATABASE DEVELOPMENT Table of Content Task 1 Page 2 Task 2 Page 5 Task 3 Page 14 Task 4 Page 28 Task 5 Page 30 Reference Page 32 Bibliography Page 33 Task 1 Question: AIM: Draw an Entity Relationship Data Model that describes the content and structure of the data held by Petcare. Specify the cardinality ratio and participation constraint of each relationship type. Answer: I have prepared this assignment
Premium SQL Database normalization Database
prescribed book Chapters 1 - 3: Chapter 5: Chapter 6: Chapter 7: Chapter 12: Chapter 14: Chapter 16: Revise as for Assignment 01 Entity relationship modelling Advanced data modelling Normalisation of database tables Transaction management and concurrency control Distributed database management systems Database connectivity and web development Question 1 What is a composite entity‚ and when is it used? [4 marks] [8 marks] Question 2 Briefly‚ but precisely‚ explain the difference between single-valued
Premium SQL Database Database management system
DATABASE One of the technology terms that most people have become accustomed to hearing either at work or while surfing the Internet is the database. The database used to be an extremely technical term‚ however with the rise of computer systems and information technology throughout our culture‚ the database has become a household term. A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional‚ it must not only store
Premium Database Relational model SQL
purpose of creating a database is to keep track of class schedules and location. As current work is all paper based‚ an approach towards automation is being made to reduce human efforts by preventing them to look for a particular class in an index. The purpose of database on the whole is to: * Maintain daily time table such as information related to class schedule. * Provide information about teacher‚ room number and subject being taught Scope Interface and database on a back end that are
Premium Management Strategic management Marketing
Title: Computer database technology This paper investigates such important aspect of car business as database technology‚ in particular workflow database technology and its influence on the productivity. The main aim of this paper is to investigate the role of database technology in car plants. Nowadays there are hundred of workflow products and technologies at the market. Thus the database technologies are influencing this area this or that way. Databases assure a simple and easy access to data
Premium
Databases | Database Construction and Management 1. What is a database? A database is one or more large structured sets of persistent data‚ usually associated with software (database management system) to update and query the data. A simple database might be a single file containing many records‚ each of which contains the same set of fields where each field is a certain fixed width - From FOLDOC A database is a collection of data elements (facts) stored in a computer in a systematic way
Premium Database Data modeling Relational model
Oracle Table Triggers Version 11.1 General Data Dictionary Views Related To DDL Triggers trigger$ dba_triggers all_triggers user_triggers System Privileges Related To Table Triggers create trigger create any trigger administer database trigger alter any trigger drop any trigger Table Trigger Firing Options -- before constraints are applied BEFORE INSERT BEFORE UPDATE BEFORE DELETE -- after constraints are applied AFTER INSERT AFTER UPDATE AFTER DELETE Transaction
Premium SQL