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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Distributed Database Management Systems Rajat sharan errajatsharan@gmail.com Abstract: The dream of computing power as readily available as the electricity in a wall socket is coming closer to reality with the arrival of grid and cloud computing. At the same time‚ databases grow to sizes beyond what can be efficiently managed by single server systems. There is a need for efficient distributed database management systems (DBMSs). Current distributed DBMSs are not built to scale to more
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This reduces the scientists’ credibility in the eyes of government and local people‚ and can cause problems the next time an eruption seems likely. 7. Prediction‚ forecasts and reactions - Active volcanoes all over the world are monitored using a vast array of scientific equipment. Satellites look for infrared radiation that indicates rising magma and ground instruments measure gas emissions‚ ground deformation and resulting earthquake activity. - Geologists use evidence from past eruptions
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An enormous amount of research 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
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PhyloInformatics 7: 1-66 - 2005 Relational Database Design and Implementation for Biodiversity Informatics Paul J. Morris The Academy of Natural Sciences 1900 Ben Franklin Parkway‚ Philadelphia‚ PA 19103 USA Received: 28 October 2004 - Accepted: 19 January 2005 Abstract The complexity of natural history collection information and similar information within the scope of biodiversity informatics poses significant challenges for effective long term stewardship of that information in electronic
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Why did some civilizations succeed and others fail? Why was it that some places had more resources than others? According to Jared Diamond‚ his theory‚ “Geographic Luck” is the answer. On Diamonds last trip to New Guinea‚ he proves his theory to be right. When he arrived‚ the natives ask him why the white men have so much cargo and why they had so little. The natives to the island worked just as hard if not harder than all the others but they were much less successful than the Eurasians. Geographical
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Baguio Central University High School Department IV-Ruby Processing in the past of the Computer Hardware In Partial Fulfillment Of the Requirements In English IV Acurin‚ Mc Lester L. February 20‚ 2013 Introduction In today’s information age‚ knowledge of computer is a must. We use computers in each and every aspect of our lives. Anybody who wants to succeed in today’s world cannot afford to ignore computer and communications technology. Irrespective of the field that one specializes
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Database Concepts‚ 4e (Kroenke) Chapter 1 Getting Started 1) The purpose of a database is to help people keep track of things. Answer: TRUE Diff: 1 Page Ref: 4 2) A possible problem with keeping data in lists is that if you delete a row of data from a list you may also delete some data items that you want to keep. Answer: TRUE Diff: 1 Page Ref: 4 3) An advantage of keeping data in lists is that if you update a data value in one row of data in a list‚ other occurrences
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into different and more complex tables during normalization‚ the process of normalizing a database can help to organize data more efficiently by minimizing redundancy and providing more accurate records. During the process‚ column and field names are consolidated into more specific ones to avoid repetition of data. In many cases‚ tables are divided into two or more tables and linked via a relationship using their Primary Keys and/or Foreign Keys. The main goal is to allow each table to be updated
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The Database Team has been assigned the task of upgrading Florida Food Mart’s outdated inventory processing system by designing and implementing a state of the art relational database management system utilizing MS Access integrated with Florida Food Marts present point-of-sale (POS) software. The Database Team has agreed to have a fully functional system in place by December 1‚ 2002. A preliminary budget of $75‚000.00 has been approved and allocated to this project. Scope The Database Team
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