Chapter 1 1 A. Data = raw fact (pg. 5) B. Field = a character or group of characters that defines a characteristic of a person‚ place‚ or thing. (pg. 660) C. Record = a collection of related fields (pg. 666) D. File = a named collection of related record (pg. 660) 2. Data redundancy is when the same data are stored unnecessarily at different places. Spreadsheets /islands of information lead up to the date redundancy. (pg. 16) 3. Data independence is when it is possible to make changes
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54-55. #02) What is a business rule‚ and what is its purpose in data modeling? The business rule is a brief‚ precise and ambiguous description of a policy‚ procedure‚ or principle within a specific organization business rules apply to every organization‚ and uses data and generates more data. Data modeling: Relatively simple representation‚ usually graphical‚ of more complex real world date structures. Data Modeling is in effect a blueprint contaminating all the instructions
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amounts of data. There is no need to transmit data explicitly from one sub-system to another. 2. However‚ sub-systems must agree on the repository data model. Inevitably‚ this is a compromise between the specific needs of each tool. Performance may be adversely affected by this compromise. It may be difficult or impossible to integrate new sub-systems if their data models do not fit the agreed schema. 3. Sub-systems that produce data need not be concerned with how that data is used by
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CHAPTER ONE INTRODUCTION 1. BACKGROUND OF STUDY Product catalogs are basically created to provide manufacturers and suppliers‚ with a platform to present their products and services efficiently to the online audience. These product catalogs are fast gaining popularity as they are the most cost-effective medium of advertising online‚ besides being one of the most successful. However‚ just displaying a product catalog would not help a business sell its products and services. It has to be
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chart 6 Workload matrix 6 Requirement Analysis 7 Fact finding 8 Questionnaire 8 Interviews 8 Questionnaire Feedback Analysis 9 Interview Results 11 Logical Design 12 Data Modeling 12 Identify input/output and processes 13 Flowcharts 14 Context Diagram 18 Data flow diagram level 0 19 Data Flow Diagram Level 1 20 Physical Design 27 Suggested improvements 40 Conclusion 41 References 42 Materials 42 Pictures 42 Acknowledgement In this moment we would like
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general and specific objectives of the course. Course Activities 1. Lecture – There are specific concepts that must be learned first by the students before they undergo the actual systems analysis and systems design. Topics include software process models‚ data modelling‚ database design‚ and quality assurance. These are outlined on the syllabus. 2. Grouping – The students are grouped according to their strengths and weaknesses. The instructor shall be the one to group the students. This setup follows
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Project Report on ONLINE EXAMINATION SYSTEM for Bachelor of Computer Applications by Pratyay Modi (70) Parin Kiri (58) Mayur Parmar (84) Guide Mr. Dhaval Jha Ahmedabad-380015 ACKNOWLEDGEMENT It was very exciting for us to work on the project of ONLINE EXAMINATION SYSTEM. During this work we have gained both practical as well as theoretical knowledge of great significance. We are greatly thankful to all faculty members of college to guide us through this work. We are greatly obliged
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ABSTRACT During the past several decades personnel function has been transformed from a relatively obscure record keeping staff to central and top level management functions. There are many factors that have influenced this transformation like technological Advances‚ professionalism‚ and general recognition of human beings as most important resources. These were the main reasons which led us to develop an autonomous system for hotel management. The work of hotel management i.e. keeping all the
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specifications a system with the following functions will best satisfy the needs of the hotel management and staff. Hotel Management System Overview The following level one data flow diagram characterizes the types of inputs and outputs and the interactions that the staff may expect from the hotel reservation system. Level One Data Flow Diagram Breakdown of the System Modules A more detailed analysis of the modules that will be involved in creating a functional hotel management system reveals the need
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It has become evident that the data provided by these two studies is convincing to the notion that violent media desensitizes people from the suffering of others. Desensitization is a major factor in stopping an individual who is encountered with a victim from helping said victim. The
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