1 Database Design and Implementation Candidate Name: Course Name: Date of Submission: Authorization: MAY MYAT SWE Database Design and Implementation 7‚ April 2012 University of Greenwich June 2012 KMD Yangon Center MAY MYAT SWE 2 Database Design and Implementation Table of Contents No Description Page Assumption ........................................................................................ 3 1. 2. 3. 4. 5. 6. Conceptual Data Model ........................
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CHAPTER 1: Introducing Database System LEARNING OUTCOMES TOPIC At the end of this chapter‚ students should be able to: DATABASE CONCEPT BSIT 201 Explain what is data management Differentiate manual file system and computerised file system with database system INTRODUCING DATABASE SYSTEM CHAPTER 1 Define database system‚ database and database management system List the functions‚ advantages and disadvantages of database management system PREPARED BY: YEW CHERN
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Operator Agency Database Jeremy Clark Dr. Larisa Bulysheva CIS 515 – Strategic Plan For Database Systems August 14‚ 2013 Tour Operator Agency Database Week 6 Assignment 5 Mike Jennings Enhanced Database Management Strategy Proposal An efficient data structure design requires a thorough analysis of both the rules a business follows and the relational business objects that allow the production of output for the organization. An efficient model of data should
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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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Database Organization Here at the College of Veterinary Medicine‚ the databases that I have used are Microsoft SQLServer‚ Microsoft Access‚ and ProISAM. ProISAM is the type of database that Vetstar (our Hospital system) uses. It is the proprietary database for the PROIV programming environment that Vetstar is written in. The main problem with this database is that it is not ODBC compatible which just means that you cannot
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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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Technology Changes Role of Database Administrator The database administrator (DBA) is responsible for managing and coordinating all database activities. The DBA’s job description includes database design‚ user coordination‚ backup‚ recovery‚ overall performance‚ and database security. The database administrator plays a crucial role in managing data for the employer. In the past the DBA job has required sharp technical skills along with management ability. (Shelly‚ Cashman‚ Waggoner 1992)
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Analyzing the use of databases in the workplace University of Phoenix CIS/319 May 1‚ 2007� Analyzing the use of databases in the workplace A database stores keyed information in an organized and accessible manner. The size and capacity of databases can vary widely‚ from a small database used by an individual to file phone numbers‚ to an extremely large enterprise database that stores several gigabytes of information accessed by thousands of individuals. Databases are essential for almost every
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CIS515 – CLASS #1 NOTES 1. Database – is a collection of related files (Tables) 2. File (Table) – is a collection of records (Rows) 3. Record (Rows) – is a collection of fields (Columns) 4. Field (Columns) – is a collection of characters (Bytes) 5. Character (Bytes) – is a collection of 8 bits 6. Bits – the smallest representation of data‚ it is either 1 (on voltage) or 0 (off voltage) Database File Table Record Rows Field Columns Character Bytes Bits
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and marks reduction): 11th August 2014 Assignment Topic Consider the following scenario. Dinuki Hire firm is a small family business that stocks general equipment such as garden tools‚ car maintenance tools etc. for hiring to its customers. A database system is required to simplify management of the business and to provide some financial information and maintaining stocks. Equipment’s are classified under various categories. Equipment’s are of different brands within each category. Brands are
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