History of Relational Database Hao-Wei He Wilmington University October 9‚ 2010 Abstract Database system have been inseparable with our daily life‚ since IBM developed the hierarchical database management system in 1969‚ database system has been innovated many times‚ such as hierarchical database‚ network database‚ relational database‚ and object-oriented database. Nowadays‚ relational database still is the most popular model used by different industries; this article is going to introduce
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sorts of people need access to companies’ databases. In addition to a company’s own employees‚ these include the company’s customers‚ potential customers‚ suppliers‚ and vendors of all types. It is possible for a company to have all of its databases concentrated at one mainframe computer site with worldwide access to this site provided by telecommunications networks‚ including the Internet. Although the management of such a centralized system and its databases can be controlled in a well-contained manner
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Michael Nhan SE578-Practices for Administration of Physical & Operations Security Prof: Rodney Smith How do Administrative‚ Technical‚ and Physical Controls introduce a false sense of security? According to research and studies‚ the leading broadband providers have accumulated a total of over 17.4 million high-speed Internet subscribers in the US” This means that in the United States alone there are more than 17 million computers with fast connections most of which are connected to the Internet
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References: Documentations ➢ D. Maier and J. Stein‚ Indexing in an object-oriented DBMS. ➢ Alfons Kemper and Guido Moerkotte‚ Object-Oriented Database Management‚ 1994 Websites ➢ David Maier’s home page: www.cse.ogi.edu/~maier ➢ http://en.wikipedia.org/wiki/Object_database ➢ http://www.comptechdoc.org/independent/database/basicdb/dataobject.html
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constructing of Relational Database using an EER Model 4.1 The steps involved in the design of relational database are 1) Developing the conceptual model – Drawing the ER/ EER diagram 2) Transforming the Conceptual model into a set of relations – relational schema and 3) Normalizing the relations. Once ER / EER model has been developed for the application ‚ ER/ EER diagram can be mapped into a relational model . ER/ EER diagram consists of the following components. 1)
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Environmental security is one of modern worlds raging topics‚ and one that should conern us all; as indiviuals‚ as a nation and as a part of this precious Earth. Environmental security scrutinizes the possible disastrous and negative implications of environmental events on the world of today. It revolves around a very sensitive theme‚ of the powerful impact of years of human conflict and international relations on the environment and how this possible threat will not only effect one country‚ but
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Databases in My Organization CIS319: Computers and Information Systems Abstract Databases have been in use since the early days of computing programs. An Information Technology services company‚ such as Getronics‚ not only utilizes databases for information and record management‚ it earns revenue by providing database management services. Getronics uses Microsoft SQL Server 2000 as its database software. The clients that contract Getronics for Information Technology services rely and
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Computing International Journal of Enterprise Computing and Business Systems 2230ISSN (Online) : 2230-8849 http://www.ijecbs.com Vol. 1 Issue 2 July 2011 SECURITY AND ETHICAL ISSUES IN IT: AN ORGANIZATION’S PERSPECTIVE Devendra Kumar Tiwary Assistant Professor*‚ Department of Computer Application‚ Technical Education & Research Institute‚ Post-Graduate College‚ Ravindrapuri‚ Ghazipur‚ Uttar Pradesh (INDIA) _________________________________________________________________________ ABSTRACT
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The history began between Relational Databases and SQL. In 1970‚ Edgar F. Codd wrote the now-famous paper on relational data modeling: "A Relational Model of Data for Large Shared Data Banks." The original relational database language‚ developed by IBM‚ was called SEQUEL (Structured English Query Language) to support its prototype RDBMS (Relational Database Management System) called System/R. The name later was changed from SEQUEL to Structured Query Language. In the beginning Codd started out a
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Sports Day System Name: Chan Ying Wah Content: |Objective……………………........... |Pg.3-5 | |Analysis.……..…….……………….. |Pg.6-11 | |Design ……....…….……………….. |Pg.13-21 | |Implementation……………………..
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