Database Design Process Database Life Cycle Key points Database design must reflect the information system of which the database is a part Information systems undergo evaluation and revision within a framework known as the Systems Development Life Cycle (SDLC) Databases also undergo evaluation and revision within a framework known as the Database Life Cycle (DBLC) There are two general design strategies exist: top-down vs. bottom-up design centralized vs. decentralized design 2
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The Articles of Confederation‚ a document ratified in 1781‚ established the functions of a nation government for the United States after it declared independence from Great Britain. The document was based on the principles fought for in the American Revolutionary War. It was signed between the thirteen original colonies and established them all as an alliance of sovereign states. The document served as the first constitution of the United States. A committee appointed by the Second Continental Congress
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nation. Along with new innovations came many problems with those who owned the industries and those who worked them. Karl Marx a sociologist in this time period developed a theory to explain the problems that would soon arise. Marx created one of the three sociologist perspectives‚ conflict perspective better known as the Marxist view. The theory of Marxism begins by focusing on how societies cooperate in order to meet the demand of essential necessities‚ and how industries are managed. Conflict perspective
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originated as a sub-discipline of computer science‚ in an attempt to understand and rationalize the management of technology within organizations. It has matured into a major field of management that is increasingly being emphasized as an important area of research in management studies‚ and is taught at all major universities and business schools in the world. Information technology is a very important malleable resource available to executives. Many companies have created a position of
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DATABASE One of the technology terms that most people have become accustomed to hearing either at work or while surfing the Internet is the database. The database used to be an extremely technical term‚ however with the rise of computer systems and information technology throughout our culture‚ the database has become a household term. A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional‚ it must not only store
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war and touched the lives of countless people. Many of his books and other works can be found today. He joined the army air corps in his earlier years. He became a bombardier in B17. It wasn’t until later on that he questioned the necessity of actually dropping the bombs. When he returned home‚ he turned in all of his medals he earned and wrote “Never Again”. Howard Zinn really had three major accomplishments in his life. His civil rights movement‚ his antiwar movement‚ and a pub
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world. In fact‚ many modern countries have used the American system of government as a blueprint for their own. The three branches that make up the government‚ the legislative branch‚ the judicial branch‚ and the executive branch are features that can be found in one form or another in many different countries. The powers of each branch and the checks and balances that connect them are what gives the American form of democracy its character. One issue arises with the democratic concept of “by the people
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What do you understand by library management software? Computerisation in Libraries The library is one of the oldest types of institutions in our society. It is in the midst of rapid change in recent times. The changes mirror those going on in other institutions and also in the society as a whole. Most modern libraries move beyond their traditional role as custodians of books and integrate new methods of storage and transmission of information. Modern libraries must link the users with the
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DOCUMENTATION OF ONLINE LIBRARY July 24‚ 2012 ABSTRACT ONLINE LIBRARY BY M.SATHISH KUMAR Page 1 DOCUMENTATION OF ONLINE LIBRARY July 24‚ 2012 Name of the Project Vision Online Library Online Library is a system‚ which maintains books in the server in any format. It allows storing books‚ documents‚ audio and video files. User can Search and open documents by giving a simple query. Online Library Management System is a system‚ which maintains books‚ documents‚ audio/video files
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NORMALIZATION OF DATABASE NORMALIZATION- is the process for evaluating and correcting table structures to minimize data redundancies‚ thereby‚ reducing the livelihood of data anomalies. The normalization process involves assigning attributes to tables based on the concept of determination. Normalization works through a series of stages called normal forms. 3 Stages of Normalization 1. 1NF or FIRST NORMALIZATION FORM 2. 2NF or SECOND NORMALIZATION FORM 3. 3NF or THIRED NORMALIZATION
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