Files and Relational Databases What is a file? • contains groups of records used to provide information for operations‚ planning‚ management and decision making. • can be used for storing data for an indefinite period of time‚ or they can be used to store data temporarily for a specific purpose. FILE TYPES • Master Files -- contain records for a group of entities. The attributes may be updated often‚ but the records themselves are relatively permanent. These files
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Lesson 1 What is a database: A database is a group of data that has been organised in a table or group. This makes it easy to find data‚ but also allows you to not have any duplicates in a group. A database is used in a school or college to store students date of births. This allows the school to be able to see how old the students are. The database can also be password protected to keep the data safe. What is a flat file database: A flat database is where you have all your data in one table.
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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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Riordan Manufacturing HRIS Analysis The ability to analyze and study the needs of an organization is an essential skill for a systems analyst. A systems analyst uses the concept of analysis and design to maintain and improve their information systems. The main goal of systems analysis and design is to improve organizational systems‚ typically through applying software that can help employees accomplish key business tasks more easily and efficiently (citation). The first steps that need to be taken
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purpose of creating a database is to keep track of class schedules and location. As current work is all paper based‚ an approach towards automation is being made to reduce human efforts by preventing them to look for a particular class in an index. The purpose of database on the whole is to: * Maintain daily time table such as information related to class schedule. * Provide information about teacher‚ room number and subject being taught Scope Interface and database on a back end that are
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something a database needs to do in order to fulfill its purpose. 2. FALSE You only need to include the most important stakeholders in the database discussions. 3. TRUE Forms are used for gathering input. 4. TRUE A transaction database is optimized to track transactions in real time. 5. TRUE Data mining uses business intelligence tools and techniques on a variety of data sources brought together in a data warehouses. 6. TRUE The domain is the focus or knowledge area of a database.
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Brief History Of Databases In the 1960’s‚ the use of main frame computers became widespread in many companies. To access vast amounts of stored information‚ these companies started to use computer programs like COBOL and FORTRAN. Data accessibility and data sharing soon became an important feature because of the large amount of information required by different departments within certain companies. With this system‚ each application owns its own data files. The problems thus associated with
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Chapter 2 The Time Value of Money and Net Present Value Solutions to Questions 2.1 to 2.43 appear in the text. 2.44 What is a perfect market? What were the assumptions made in this chapter that were not part of the perfect market scenario? Answer: A perfect market is one with no taxes‚ no transaction costs‚ no differences in opinion‚ and many buyers and sellers. In this chapter‚ we also are assuming no uncertainty and no inflation. 2.45 What is the difference between a bond and
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CH 4 Homework Questions 6‚7‚8‚9 6. Property taxes are recognized in the period that the taxes are levied. In the fund statements‚ the taxes must meet the additional criterion that they be available. 7. Sales tax should be recognized in the period in which the underlying sales transaction occurred. Sales tax originates from an underlying economic event‚ which are sales transactions. It is appropriate to recognize revenue at the time of the event. 8. Reimbursement grants are payments
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NAME: TEJUMOLA PELUMI ADEMOLA MATRIC NO:11/52HA094 COURSE: CSC224 The code for the webpage <html> <head> <title>Csc 224 assignment</title> </head> <body> <h1>List of Faculties in the University of Ilorin</h1> <ul> <li><a href="#agric">Faculty of Agricultural Sciences</a></li> <li><a href="#art">Faculty of Arts</a></li> <li><a href="#bss">Faculty of Business
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