marks reduction): 11th August 2014 Assignment Topic Consider the following scenario. Dinuki Hire firm is a small family business that stocks general equipment such as garden tools‚ car maintenance tools etc. for hiring to its customers. A database system is required to simplify management of the business and to provide some financial information and maintaining stocks. Equipment’s are classified under various categories. Equipment’s are of different brands within each category. Brands are varies
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STELLA MARIS COLLEGE - DEPARTMENT OF COMPUTER SCIENCE DB34 - Database Management Systems UNIT I : Advantages and Components of a Database Management Systems - Feasibility Study - Class Diagrams - Data Types –Architecture- Events - Normal Forms - Integrity – EER model - Converting Class Diagrams to Normalized Tables - Data Dictionary. UNIT II : Query Basics - Computation Using Queries - Subtotals and GROUP BY Command - Queries with Multiple Tables - Subqueries - Joins - DDL & DML - Testing
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STUDENT DATABASE MANAGEMENT SYSTEM A SWDLC is an abstract representation of gradual development and evolution of the software that undergoes a series of sequential or concurrent steps of the software development process .each of these steps results in the development of a s/w project which may be either a minor or major component of the s/w system in contribution to the completion of the system. Each step requires some input and produces some form of output which further becomes the input of the
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Relational Database Management System Oracle provides a flexible RDBMS called Oracle7. Using its features‚ you can store and manage data with all the advantages of a relational structure plus PL/SQL‚ an engine that provides you with the ability to store and execute program units. The server offers the options of retrieving data based on optimization techniques. It includes security features that control how a database is accessed and used. Other features include consistency and protection of data
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SCENARIO 1 Assume that a planet called Zion exists. In Zion‚ NEXUS is an inter-galactic enterprise that leases spacecraft to aliens for a fee. All spacecraft owned by NEXUS can be used for daily rental or contract based rental. Aliens can be classified as Warlord or Explorer. The data for all aliens are stored for recording purposes. Each spacecraft is fully equipped at the time it is rented out. However‚ an alien can request for additional equipment to be installed. Such equipment includes zap-gun
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Deciding What To Do for the Rest of Your Life This school year is coming to an end. Seniors are going to be graduating soon and before you know it‚ they will be beginning the next part of their life‚ almost at adulthood. Many people feel sympathy for seniors because they are basically deciding what they are suppose to do for the rest of their life. Now‚ this is true to a certain extent‚ but where high school students should really start thinking about their future is at the end of junior
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Choose and Expalin Your Theory and Theorist 1 Choose and Explain Your Theory and Theorist Lien Dominic Rasmussen College Author Note This paper is being submitted on September 1‚ 2013‚ for Dr. Melissa Shamblott EC100 Section 04 Foundations of Child Development - 2013 Early Fall Quarter Choose and Explain Your Theory and Theorist 2
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Normalization of Database Tables Database Tables and Normalization * Normalization is a process for assigning attributes to entities. It reduces data redundancies and helps eliminate the data anomalies. * Normalization works through a series of stages called normal forms: * First normal form (1NF) * Second normal form (2NF) * Third normal form (3NF) * Fourth normal form (4NF) * The highest level of normalization is not always desirable. * The Need
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Database Models and Legacy Systems The evolution of the information age demanded robust management systems for storing large volume of data‚ efficiency in retrieval‚ and enhanced data security and sharing; hence‚ the development of databases from flat file systems. Despite this advancement in technology‚ many organizations such as Colorado Financial Reporting System (COFRS) continue to use legacy database systems. Colorado Financial Reporting System (COFRS) The Colorado Financial Reporting
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What is Reliability and integrity for database? Alvin W. Demore II University of Maryland University College Abstract In this document we will be learning what reliability and integrity to databases and how company’s uses this technique to make sure that their company is strong and safe. Reliability plays a big part in databases because you need to make sure that everything can work without failing or crashing the system. The next big part is integrity because if you don’t have security in the
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