maintenance space dock. Every maintenance activity is recorded. Activities include changing of plutonium energy pack‚ change of radar guidance system‚ and any replacement of parts. All history of maintenances is kept as accurate maintenance records. Propose a database system for NEXUS based on the scenario given. SCENARIO 2 Propose a database system for a travel agency. In this travel agency‚ there are three types of employees: Counter staff‚ Executive and Managers. An executive and a Counter
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Databases are important to businesses for several reasons. To boost operations they use communications‚ web‚ and database technologies. Databases are key in all functions relating to information storage and retrieval‚ and assists with marketing‚ customers service‚ financials‚ and logistics. They are also essential in the creation and maintenance of records for continuous usage and to generate reports from this information. For example‚ a company could store all customer information and ordering
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Economics crisis‚ instable politics‚ environmental changes‚ social inequality‚ advances in technology and religious conflicts are the most common reasons why people decide to leave their concurrent place of settlement‚ and are being pushed from their country of origin and pulled to find a new place to settle‚ this theory is called PUSH/PULL and argues that the migration progress is completely based on social changes‚ conflicts or wars occurring concurrently in the country of origin of the migrant
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Concurrency Control in Database Systems Key Points The purpose of concurrency control is to ensure that one user’s work does not inappropriately influence another user’s work. In some cases‚ these measures ensure that a user gets the same result when processing with other users as that person would have received if processing alone. In other cases‚ it means that the user’s work is influenced by other users but in an anticipated way. When many transactions take place at the same time‚ they are
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HISTORY OF DATABASE MANAGEMENT SYSTEM With the progress in technology in the areas of processors‚ computer memory‚ computer storage and computer networks‚ the sizes‚ capabilities‚ and performance of databases and their respective DBMSs have grown in orders of magnitudes. The development of database technology can be divided into three eras based on data model or structure: navigational‚ SQL/relational‚ and post-relational. The two main early navigational data models were the hierarchical model
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performance‚ distribution system and competitors. The following should be included: A description of the market that will define the market and its segments‚ and a description of consumer needs and the environmental factors that may affect their buying patterns. A description of the product/service being offered by the company at present. It should include sales levels‚ price and the product’s profit margins. A description of the distribution system that evaluates the
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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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LABORATORY WORK On the topic: “Enterprise Application Systems Management” Done by: Gabrielyan Arman Group IFF 4-4 Scientific advisor: Matrizaev Bahadir Summary: Management of enterprise application systems is here to stay. IT teams have to quickly embrace newer techniques that will enable such systems to be managed effectively. Central to these techniques is to capture‚ build‚ and make available libraries of reusable knowledge about the systems they have to manage. The framework of knowledge
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Download at www.eBook12.Com Download at www.eBook12.Com This page intentionally left blank Download at www.eBook12.Com Introduction to Database Management Mark L. Gillenson‚ Paulraj Ponniah‚ Alex Kriegel‚ Boris M. Trukhnov‚ Allen G. Taylor‚ and Gavin Powell with Frank Miller Download at www.eBook12.Com Credits PUBLISHER Anne Smith ACQUISITIONS EDITOR Lois Ann Freier MARKETING MANAGER Jennifer Slomack SENIOR EDITORIAL ASSISTANT Tiara Kelly PRODUCTION MANAGER Kelly Tavares PRODUCTION
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Project Proposal for a Database Database for a Bank Introduction: This database is created for a bank which can keep track of their customer’s and account holders’ details and transactions. With the above aim they should be able to have access to the information mention in real time. This will help the management to take decisions and also will make the record and finance staff work more organized. The bank is experiencing a lot of customer turn out to their various account types. Some
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