Assignments Requirements 1. Look up the definition of functional dependency. Can you find a good example? In relational database theory‚ a functional dependency is a constraint between two sets of attributes in a relation from a database. Cars Suppose one is designing a system to track vehicles and the capacity of their engines. Each vehicle has a unique vehicle identification number (VIN). One would write VIN → Engine Capacity because it would be inappropriate for a vehicle’s engine to have
Free Database normalization Relational model Database
http://dkingsnet.blogspot.com/2013/04/abstract-and-introduction-for-hostel.html Abstract and introduction for Hostel Management system database HOSTEL MANAGEMENT SYSTEM A CASE STUDY OF RUFUS GIWA POLYTECHNIC‚ OWO BY: AMACHUKWU INNOCENT O. SO2/CTE/2006/133 AMINU OLUKAYODE SO2/CTE/2006/134 BEING A PROJECT SUBMITTED TO THE DEPARTMENT OF COMPUTER ENGINNERING TECHNOLOGY‚ FACULTY OF ENGINEERING TECHNOLOGY RUFUS GIWAPOLYTECHNIC
Premium Hostel Room Student
CHAPTER 1 INTRODUCTION As technology continues to advance‚ computers are becoming more part of everyday life. Computers are everywhere at work‚ at school‚ and at home .Many daily activities either involve the use of or depend on information from a computer. This maybe because computers are used in almost every field and profession like education and office works to perform large number of computer application .It also the best solution for providing information and a way of communications
Premium Database management system Computer High school
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
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
CHAPTER 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
Intro to Database assignment The purpose of this assignment is to : • Give evidence of your research skills o Use as many resources as you need o Attribute sources o Do not “copy and paste”! o Read and re-write in your own words • Allow critical analysis of your current report/essay writing skills • Identify areas where improvement may be advisable • Give you a better grasp of databases as a an area of study • Allow you to research /work collaboratively but still submit a unique piece
Premium Relational model Management Object-oriented programming
many recent publications that discuss various features‚ opportunities and issues related to Cloud services ([Jane Anderson et al.‚ 2010]‚ [Sam Goundar et al.‚ 2011])‚ but only few scholars have attempted to explain the factors for adoption of cloud database ([Chinyao Low et al.‚ 2011]). Related studies
Premium Information technology Cloud computing Science
DATABASE A database is an organized collection of data. The data is typically organized to model aspects of reality in a way that supports processes requiring information. (1) Often abbreviated DB‚ a database is basically a collection of information organized in such a way that a computer program can quickly select desired pieces of data. You can think of a database as an electronic filing system. Traditional databases are organized by fields‚ records‚ and files. A field is a single piece of information;
Premium SQL Database Relational model
DISTRIBUTED DATABASE MANAGEMENT SYSTEM A distributed Database Management System (DDBMS) is a database in which storage devices are not all attached to a common processing unit such as the CPU. It may be stored in multiple computers‚ located in the same physical location; or may be dispersed over a network of interconnected computers. Unlike parallel systems‚ in which the processors are tightly coupled and constitute a single database system‚ a distributed database system consists of loosely coupled
Premium Database SQL Database management system