CHAPTER 7: DATA MODELING USING THE ENTITY-RELATIONSHIP (ER) MODEL Answers to Selected Exercises 7.16 - Consider the following set of requirements for a UNIVERSITY database that is used to keep track of students’ transcripts. This is similar but not identical to the database shown in Figure 1.2: (a) The university keeps track of each student’s name‚ student number‚ social security number‚ current address and phone‚ permanent address and phone‚ birthdate‚ sex‚ class (freshman‚ sophomore‚
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Introduction to computer Basics Background This topic will discuss the introduction to the use of the computer in the business area‚ including the basic hardware and software concepts. Information technology (IT) is one of the key resources in the modern business environment. We have lived during the past 20 years in a period that has strongly emphasised the strategic importance of information technology. Consequently‚ those currently involved in management have a clear vision of the technology’s
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Filbert 6750 7500 Pecan 6000 7200 7875 Walnut 7500 I 1 The ~ r o f icontribution Der Pound and Customer orders are: t Profit contribution per Pound Customer Orders (Pounds) Regular mix $1.65 10000 Deluxe mix $2 3000 Holding Mix $ 2.25 5000 Solution: Xij = quantity of nut (i) to mix j i= 1‚2‚3‚4‚5 j= 1‚2‚3 Profit 1$1.65 I $2.00 D I $2.25 H X13 R A F P - Available 6‚000 pounds I I I XI1 X21 I I I X12 X22 I X23 I X33 1 7‚500 pounds I 1 7‚500 pounds 1
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Beej ’s Guide to Network Programming Using Internet Sockets Version 1.5.4 (17-May-1998) [http://www.ecst.csuchico.edu/~beej/guide/net] Intro Hey! Socket programming got you down? Is this stuff just a little too difficult to figure out from the man pages? You want to do cool Internet programming‚ but you don ’t have time to wade through a gob of structs trying to figure out if you have to call bind() before you connect()‚ etc.‚ etc. Well‚ guess what! I ’ve already done this nasty business
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SMEToolKit.org [pic]Linear programming is very important in various fields of life especially in managerial decision making. The reason is that it helps the company in minimizing the costs and maximizing the profits. Through linear programming managers can calculate the prices and the sales units which can maximize the profits of the company. Therefore‚ there are various issues which the company incurs regarding their costs and prices therefore‚ tools like linear programming can help the managers in
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Programming paradigms What is programming? Programming is writing‚ designing and maintaining the source code of a computer programme. There are 3 different types of programming: Procedural Object orientated Event driven Procedural Procedural programming is a term used to describe the way which a computer programmer writes a program. This method of developing software which is also called an application revolves around keeping code as concise as possible. Its operators by reading the tasks that are
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Essay Object oriented programming was developed because limitation was discovered in earlier approaches to programing. The evolution to the object oriented programming is based on the following previous languages. Evolution in computer programming languages: In the earlier time‚ at the beginning of programming the “Punch Card“ was used for the programming purpose. Then with the passage of time human tried to work on the binary digits called “Machine Language”. 1. Machine Language In the machine
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Summary of PL/1 (Programming Languages 1) History (Programming Language 1) A high-level IBM programming language introduced in 1964 with the System/360 series‚ developed by George Radin of IBM in 1964. Originally named (NPL) and Fortran VI. It was designed to combine features of and eventually supplant COBOL and FORTRAN‚ which never happened. A PL/I program is made up of procedures (modules) that can be compiled independently. There is always a main procedure and zero or more additional ones.
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An Introduction to Linear Programming Introduction to Quantitative Management‚ Anderson Iqra University‚ Main Campus(Management Science) Course: Management Science Faculty: Iftikhar Mubbashir Date: March 1‚ 2013 Spring 2013 Assignment‐1 (Solution) Q‐1) 2 a‚ b‚ and e‚ are acceptable linear programming relationships. c is not acceptable because of − 2x 2 ‚ d is not acceptable because of 2 x 1 ‚ f is not acceptable because of
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A proposal to investigate effective solutions to the unconsciousness about recycling in Bilkent University 1. Introduction Considering huge increase in consumption and contamination‚ waste management has become a pivotal issue over the last few decades. One of the most substantial methods of waste management is recycling. Recycling is a process of turning materials away into new products which are thrown. As stated in the United States Environmental Protection Agency’s report‚ common recyclable
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