4 RELATIONAL DATABASES SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 4.1 Contrast the logical and the physical view of data and discuss why separate views are necessary in database applications. Describe which perspective is most useful for each of the following employees: a programmer‚ a manager‚ and an internal auditor. How will understanding logical data structures assist you when designing and using database systems?</para></question><question
Premium SQL Database Relational model
Normalization of Database Tables Introduction to Normalization of Database Tables Normalization of Database Tables l Introduction to Normalization of Database Tables 4 4 4 ISM 602 Dr. Hamid Nemati 4 4 4 Functional Dependency l Introduction to Normalization of Database Tables l l A Functional Dependency Is A Relationship Between Or Among Attributes Such That The Values Of One Attribute Depend On‚ Or Are Determined By‚ The Values Of The Other Attribute(s)
Free Database normalization Relational model
SOFTWARE REQUIREMENTS SPECIFICATION (SRS) FOR Student and Unit Management System (SUMS) – Registration Module Version 1.0 Prepared by: YEUNG Kam Fung (Ivan) Prepared for: Jim Briggs‚ University of Portsmouth DOCUMENT CHANGE HISTORY |Version Number |Date |Description | |1.1 |8th December 2005 |Jim made some formatting and content |
Premium Requirements analysis
for specific cures is based on the data that is collected from health care organizations. There are also government organizations that will pave the road for programmers to be able to develop the framework of the database. The data that is collected from an electronic medical record system is imperative in supporting new knowledge of the manner in which a person’s health can be prolonged‚ or even saved. This memo is to provide you and your company an overview on the sources required to achieve and
Premium Health care Health informatics Medicine
AGGREGATED CATERING SYSTEM PROJECT REPORT 11/12/2012 Contents 1 Problem Description ..............................................................................................................................................3 1.1 Description of the organization ................................................................................................................3 1.2 Scope of the database ......................................................................................
Free Restaurant Menu Relational model
Key concepts Let me start by naming a few of the most important concepts in relational database design. A basic understanding of these will be required to understand the rest of the article. * Primary Key (PK) A column with a unique value for each row. Although not all database management systems (DBMS) require you to put a PK into each table‚ from a design perspective a PK is a requirement. No table should be without one. * Foreign Key (FK) These define relationships between tables. When
Premium Database normalization
Fundamentals-Solutions |[pic] | | | |Unit: Fundamentals | 1-1 Which SAP solution fits for which company? 1-1-1 SAP divides the SMB market generally into • Small companies that do not prepare balance sheets
Premium SAP AG
Organizational Databases Randal Chatman University of Phoenix CIS 207 Information System Fundamentals Carlos Andrade December 19‚ 2011 Abstract This paper is designed to discuss the structure and use of a database system that is currently being used by a nationally recognized telecommunications and entertainment company. It will contain information about the specific type of database that is being used by this company. According to Webopedia‚ “a database is a collection of information
Premium Database Computer software Database management system
on data or data items to supply some information about an entity. What is a Database? A database is an integrated and structured collection of stored operational data used (shared) by application systems of an enterprise Examples of Databases • Medical records • Bank accounts • Stock control • Telephone directories • Stock market prices Universe of Discourse A database is a model of some aspect of the reality of an organisation. It is conventional
Premium Data modeling Relational model SQL
FIRST SEMESTER AY 2009-2010 Course Title: IT2 – Fundamentals of Programming with Database Applications Course Credit: 3 units Prerequisite: IT1 - Fundamentals of Computer Software and Applications Course Description: This is an introductory course on programming and will teach the student basic programming skills. Topics include: fundamentals of programming methodology‚ software lifecycle‚ requirements and specifications‚ software design‚ design methodologies
Premium Flowchart Programming language Computer programming