1. Describe the relations that would be produced by the following relational algebra operations a) ПhotelNo(σprice>100(Room)) It will produce a single attribute (hotelNo) giving the number of hotels room prices greater 100. b) σHotel.hotelNo=Room.hotelNo(Hotel X Room) A join produce of hotel and room containing all the attributes of both. c) ПhotelName(Hotel Hotel.hotelNo=Room.hotelNo (σprice>100(Room))) It is a join of hotel and room with the price greater than 100. d) Guest(σdateTo>’1-June-12’(Booking)
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Hospital-Based Database System (A Case Study of BIRDEM) Rosina Surovi Khan Department of Computer Science and Engineering Ahsanullah University of Science and Technology (AUST) Dhaka‚ Bangladesh Email: surovi99@yahoo.com Abstract— As technology advances‚ information in different organizations of Bangladesh can no more be maintained manually. There is a growing need for the information to become computerized so that it can be suitably stored. This is where databases come into the picture. Databases are convenient
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Databases | Database Construction and Management 1. What is a database? A database is one or more large structured sets of persistent data‚ usually associated with software (database management system) to update and query the data. A simple database might be a single file containing many records‚ each of which contains the same set of fields where each field is a certain fixed width - From FOLDOC A database is a collection of data elements (facts) stored in a computer in a systematic way
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Research Database Assignment Form Type your answers to the following questions using complete sentences and correct grammar‚ spelling and syntax. Click “Save as” and save the file with your last name and assignment‚ e.g.‚”NR449_Research_Database_Smith” Submit to the Research Database basket in the Dropbox by 11:59 p.m. MT Sunday at the end of Week 5. The guidelines and grading rubric for this assignment may be found in Doc Sharing. Name: Nicole Felix Describe briefly your topic of interest (15
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Samuel D. Warren[2] and Louis D. Brandeis[3]‚ Harvard Law Review‚ 1890 WITH THE RISE of the Business Process Outsourcing (the “BPO”) in India‚ there has been an equally rising need for Data Protection Laws. In other words‚ a need for protection of databases through a separate legislation was first felt when a few cases of data theft‚ in the outsourcing industry came to light[4]. Data from all over the world is being transferred to India. It is obvious that the first question which is to be asked is
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In each of the assignments in this course‚ you will be dealing with the following scenario: American Intellectual Union (AIU) has assembled a team of researchers in the United States and around the world to study job satisfaction. Congratulations‚ you have been selected to participate in this massive global undertaking. The study will require that you examine data‚ analyze the results‚ and share the results with groups of other researchers. Job satisfaction is important to companies large and
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Chapter 1 & 2 Summary Accounting is a process of identifying‚ measuring‚ and communicating economic information to permit informed judgments and decisions by users of the information. It is a service activity and the language of business. Its main function is to provide qualitative information that is intended to be useful in making economic decisions. The Accounting process is a series of repetitive activities of recording‚ summarizing and reporting economic transactions from the beginning
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ANALYSIS OF BENCHMARKING SUPPLY CHAIN PRACTICES IN FMCG INDUSTRY INTRODUCTION FMCG sector in India is one of the largest sector in the Indian economy with annual revenues of Rs. 72000 crores. There is still a huge scope for companies to cut down their costs. The penetration level of companies is still relatively low and several categories are fairly unbranded. We can say that companies can still bring up more brands to cover up this several categories. As India is a developing country the prices
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1. Define a customer-centric web site design‚ explain why it is so important‚ yet so difficult to accomplish (15 points) Customer-centric web site design‚ are websites that when design they are focused towards the customer. This type of web sites make sure they meet all customer needs‚ it’s like stepping into a website where you can find what you want without any hustle. As our book explains a customer-centric website has to follow certain guidelines‚ a few of them are: “Design the site around
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Q.: 1: The manuscript for this book was typed for free by a friend. Had I hired a secretary to do the same job‚ GDP would have been higher‚ even though the amount of output would have been identical. Why is this? Does this make sense? A.: 1: If a secretary were hired to type the manuscript‚ they would have had the opportunity to provide a service at a price. We know that each good and service produced and brought to market has a price. That price serves as a measure of value for calculating total
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