Prof. Li-Yan Yuan CMPUT 391: Database Management Systems Solutions to Assignment 1 Due: 18:00‚ Feb. 10‚ 2014‚ at the 391 Drop Box 1. Present a real-life example (Not using ABCD‚ etc) to show differences between BCNF and 4NF. Solution: Consider the following table real_estate(realtor_id‚listing_property‚customer_name) used to store the information for a real estate company with one MVD constraint → realtor id → listing property | customer name. It is not difficult to see that real estate
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Teaching Note for Continental Airlines Real-time BI Case “Continental Airlines Flies High with Real-time Business Intelligence” is a comprehensive example of how an organization used real-time data warehousing and business intelligence applications in its turn around from a poorly performing to an industry leading organization. The case is not heavy on technical details‚ but the essence of the technology is explained. Thus‚ the case can be used for a variety of courses and in different degree
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Chapter 5 Partial Solutions Answers to Premiere Products Exercises PP 5-1 1. PartNum ( Description‚ OnHand‚ Class‚ Warehouse‚ Price OrderNum ( OrderDate‚ CustomerNum CustomerNum ( CustomerName‚ RepNum RepNum ( FirstName‚ LastName PartNum‚ OrderNum ( NumOrdered‚ QuotedPrice Part (PartNum‚ Description‚ OnHand‚ Class‚ Warehouse‚ Price) Orders (OrderNum‚ OrderDate‚ CustomerNum) Customer (CustomerNum‚ CustomerName‚ RepNum) Rep (RepNum‚ FirstName‚ LastName) PartOrders
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ECE 4784/6784‚ Wireless Communications‚ Assignment 1 1. (15) A half-wave dipole is situated at the top of a cellular tower‚ oriented vertically on the tower. The current into the dipole is a sinusoidal current at frequency 870 MHz‚ with peak value I = 0.1 ampere. Consider a mobile receiver at a distance of d kilometers along the horizon. Remember the dipole pattern gives field strength E(d‚ θ‚ φ) = 60I cos( π cos(θ)) 2 aθ v/m d sin(θ) (1) a. Assume free-space propagation laws.
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1. In this questions associated with the BEC case at the end of Chapter 9‚ you were asked to modify the entity-relationships diagram drawn by the Stillwater student team to include any other entities and entities and attributes you identified form the BEC cases. Review your answers to these questions and modify the relations in BEC figure 10-2. To include your changes? 2. Study your answer to Question 1. Verify that the relations you say represent the MyBroadway database are in third normal form
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In this day and age‚ companies have been trying to find new ways to increase the efficiency of their employees. One way that businesses have been doing this is by promoting driverless cars for the future. In the United States alone there are over 250 million vehicles in use‚ and all of these vehicles create a lot of traffic (Hirsch). The massive amount of workers trying to commute creates opportunities for human error to occur which contributes to the average worker spending about forty-two hours
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1 Normalization Procedure for Class XII Board Marks In view of large scale variations in the examination system in country‚ the JEE Interface Group (JIG) decided that for this year (2013)‚ 50% of Boards marks be normalized by equating percentile amongst different boards/examining bodies and anchoring them to All India JEE-Main percentiles‚ and 50% be normalized by equating each Board’s/examining Body’s percentile with JEE(Main) percentile marks of respective Boards /examining bodies. Accordingly
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The Fundamentals of Database Design To end up with a good ‘relational database’ application‚ you need to ask: Do I actually need one? If so‚ how far do you want to take it? By this I mean‚ is this to be a simple database to store information about only one‚ or very few‚ related entities (i.e. a list of people who attended a certain event‚ and how they came to hear about the event) which are not likely to change; or a permanent and well used application with several different entities (i.e.
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342 Case Questions 1. In the questions associated with the BEC case at the end of chapter 9. you were asked to modify the entity-relationship diagram drawn by the Stillwater student team to incluse any other entities and the attributes you identified from the BEC cases review your answers to these questions and modify the relations in BEC figure 10-2 to include your changes. 2. Study your answer to question 1. Verify that the relations you say represent the My roadway database are
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Database Database‚ it is a place use to store lots of data. It can be seen as a filing cabinet. And database management system (DBMS) is software that specificity designs for managing the data in database such as create‚ update or delete them. General is including security‚ retrieval and backup features. User also allows using the data to create a report or share data with multi-user. MS Access is a database management system design by Microsoft. It offers user four important objects they are:
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