ISM 6215 - Business Database Systems I Fall 2013 Home Work – 1 (Marks 100) Question 1 - Contrast the following terms. Give one example of each 1. Degree versus cardinality of relationship 2. Required versus optional attributes 3. Data dependence versus data independence 4. Structured versus unstructured data (4*2.5 =10 marks) Answer 1 - Degree; cardinality. The degree (of a relationship) is the number of entity types that participate in that relationship‚ while cardinality is a
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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
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Information Literacy and Database Search Activity The reason of this assignment is to explore and explain approaches in navigating databases‚ talk about the finding of the search process‚ closing with four relevant sources that related to the research questions‚ “What competence do counselors believe they have to incorporate spirituality into hospice care‚ and What course(s) are need for counselors to feel comfortable integrating spirituality in a therapeutic setting?” This essay will talk about
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erosion in market shares. Because of globalization‚ internationalization‚ technical innovations‚ law deregulations‚ and market saturation‚ the current situation of the banking industry is changing. The intensity of competition increases due to new products and services as well as the entrance of competitors from other industries‚ such as the so-called non- and near-banks. Even more‚ the continuously growing educational standard as well as better opportunities to gather information induce enormous
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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
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Migration of Databases – An XML Approach XML Database Migration is a project of migrating the existing databases into XML format. Conversion of databases to XML file format‚ the databases like Ms-Access‚ Oracle and MS-SQL‚ MySQL connects in the network or the oracle in the personal computer can be connected for the generation of XML code. Let us consider‚ user runs a firm with three companies with different database’s respectively. User planned to mingle the entire database’s of the firm in to
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the business of banking. BO s.2: • "banking business" means the business of either or both of the following- (a) receiving from the general public money on current‚ deposit‚ savings or other similar account repayable on demand or within less than the period specified in item 1 of the 1st Schedule of BO or with a period of call or notice of less than that period; (b) paying or collecting cheques drawn by or paid in by customers; BO s.16: • "banking license" means a banking license A person
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images‚ voices and movies. The huge amount of data in different multimedia applications deserved to have the databases since the databases could provide consistency‚ integrity‚ security and availability of the data. From the user perspective‚ databases offer functionality for easy manipulation‚ query‚ and retrieval of relevant information from huge collections of stored data. Multimedia databases have to cope up with the increasing usage of large volume of multimedia data used in various software applications
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SOFTWARE REQUIREMENTS SPECIFICATION(SRS) FOR AIRLINE DATABASE Table of Contents 1. Introduction 1.1 Purpose 1.2 Document Conventions 1.3 Intended Audience and Reading Suggestions 1.4 Project Scope 1.5 References 2. Overall Description 2.1 Product Perspective 2.2 Product Features 2.3 User Classes and Characteristics 2.4 Operating Environment 2.5 Design and Implementation Constraints 2.6 Assumptions and Dependencies 3. System Features 4. External Interface Requirements 4.1 User Interfaces 4.2 Hardware
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Database Design Ryan K. Stephens Ronald R. Plew 800 East 96th St.‚ Indianapolis‚ Indiana‚ 46240 USA Database Design ASSOCIATE PUBLISHER Copyright 2001 by Sams Publishing EXECUTIVE EDITOR Bradley L. Jones All rights reserved. No part of this book shall be reproduced‚ stored in a retrieval system‚ or transmitted by any means‚ electronic‚ mechanical‚ photocopying‚ recording‚ or otherwise‚ without written permission from the publisher. No patent liability is assumed with respect
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