MMIS 630 Database Systems – Final Exam 1. What are the issues in the normalization vs. performance trade-off? Discuss. Your essay should (1) define and describe the characteristics of normalization‚ (2) define and describe the characteristics of performance‚ and (3) define and describe what is meant by “performance trade-off”‚ (4) summarize your essay with recommendations and/or guidelines regarding use of normalization in database design. ANS: When we take a close look in designing
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CS6083: Principles of Database Systems ! Systems Concepts‚ 6th Edition‚ McGraw-Hill 2009. (The 4th and 5th editions are also OK to use.)! Will use slides from book as well as extra material! Posted on course page a day ahead of class! Database System Concepts - 6th Edition! Modified by T. Suel for CS6083‚ NYU Poly‚ Fall 2012! 1.1! ©Silberschatz‚ Korth and Sudarshan! CS6083: Principles of Database Systems ! Prerequisites: Data Structures‚ Operating Systems! Binary search trees
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COMPUTER BASED MATERNITY DATABASE SYSTEM (CASE STUDY OF POLY CLINIC ASATA HOSPITAL‚ ENUGU) PRESENTED TO THE COMPUTER SCIENCE DEPARTMENT‚ HOSPITAL OF TECHNOLOGY INSTITUTE OF MANAGEMENT AND TECHNOLOGY (I.M.T) ENUGU BY Lucky Mba CS/N2004/097 IN PARTIAL FULFILLMENT OF REQUIREMENT FOR THE AWARD OF ORDINARY NATIONAL DIPLOMA (O.N.D.) AUGUST‚ 2004 APPROVAL PAGE We hereby certify that this project Design and Implementation of a Computer based maternity database system system. (case study of Poly
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Ans: An "owner" account is given to those in control of specific relations. They have select‚ modification‚ and reference privileges on that given relation. 2) How is the view mechanism used as an authorization mechanism? Ans: A multiuser database system must selectively permit users to share data‚ while retaining the ability to restrict data access. There must be a mechanism to provide protection and security‚ permitting information to be accessed only by properly authorized users. Further‚ when
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Enterprise Database Management System Paper Tania Hillard Database Management / DBM 502 Pamela Hurd June 25‚ 2006 Introduction This paper will discuss the implementation‚ use of an enterprise DBMS‚ the advantages and disadvantages of an enterprise DBMS. A database management system ‚ or DBMS‚ gives the user access to their data and helps them transform the raw data into information. The DBMS is just a collection of programs that manages the database structure and controls access to
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Concurrency Control in Distributed Database Systems PHILIP A. BERNSTEIN AND NATHAN GOODMAN Computer Corporation of America‚ Cambridge‚ Massachusetts 02139 In this paper we survey‚ consolidate‚ and present the state of the art in distributed database concurrency control. The heart of our analysts is a decomposition of the concurrency control problem into two major subproblems: read-write and write-write synchronization. We describe a series of synchromzation techniques for solving each subproblem
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command? Selected Answer: SELECT HireDate‚ COUNT(*) FROM EMPLOYEE WHERE Salary < 30000; Question 9 5 of 5 points Because SQL stored procedures allow and encourage code sharing among developers‚ stored procedures give database application developers the advantages of less work‚ standardized processing‚ and specialization among developers. Selected Answer: True Question 10 5 of 5 points The SQL command used to create a virtual table is ________.
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Is the iPad a disruptive technology? The purpose of this report – “Is the iPad a disruptive technology?” – is to research and study about the technological developments in Information Systems‚ such as‚ the iPad and if it’s a disrupting technology that changes the world or not. Apple introduced the iPad in 2010‚ selling 300‚000 on the first day of release and approximately 3 million in 80 days. Given that the features of the iPad were similar to the iPhone’s‚ Apple envisioned for this device to
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EE4791 Database Systems 2012-13 Project (CA‚ 20%) Design and Implementation of the Database with Microsoft Access. Group assignment (1-3 persons per group): 1. Propose a database Case Study with at least 5 tables. Write down the requirements on the database. 2. Draw EER diagram. 3. Give relational model (i.e.‚ logical scheme). Normalize up to 3NF. 4. Create the tables in MS Access in Design View. Choose indexes for your query. Implement data integrity (default value‚ range values‚ etc) 5. Implement
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name : Advanced Database Systems Module leader : Dr F F Cai Coursework no. : 1 of 1 Weighting : 40% (% of module assessment total) Date set : March 2013 Date and time due : (date/time) To Islington College Nepal Preamble This Coursework is an individual assessment. It is primarily an exercise in database design and implementation using Oracle Designer and Oracle SQL*Plus‚ and in documentation of the system. The use of any other database products such
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