Service Request SR-ht-003 TechTarget says “Computer databases typically contain aggregations of data records or files‚ such as sales transactions‚ product catalogs and inventories‚ and customer profiles” (TechTarget pg. 1). This is exactly what Team A plans to accomplish for Huffman Trucking. Huffman Trucking is looking for fleet truck maintenance database to help keep track of all of their truck maintenance needs. The database began on April 1‚ 2013 and has a scheduled completion date on April
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Attendance Maintenance System is software developed for daily attendance in schools‚ colleges‚ offices‚ etc. It facilitates to access the attendance information of a particular employee/student in a particular institution. The information is updated into database. This will help in evaluating the attendance efficiently. Online attendance means "the act of watching attendance over a network such as the Internet". This is type of Web site which will run on the network and user working on internet can see their
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A. Database concepts 1 Basic SQL Command: SQL commands which are worth knowing : TRIM (for stripping spaces) LEFT (for fetching the data from left side of string) RIGHT (for fetching the data from right side of string) REPLACE (for replacement in string) CONVERT (for converting data from one type to another) LEN (for fetching length of string) STUFF (way to insert one string into another) DIFFERENCE (diff between two strings return 4 represents no diff or strong similarity)
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PHYSICAL DATABASE DESIGN EXAMPLES Example 1 – Consider the following relational database for the Super Baseball League. It keeps track of teams in the league‚ coaches and players on the teams‚ work experience of the coaches‚ bats belonging to each team‚ and which players have played on which teams. Note the following facts about this environment: The database keeps track of the history of all of the teams that each player has played on and all of the players who have played on each team. The
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C h a p t e r 15 Object-Oriented Database Development L E A R N I N G O B J E C T I V E S After studying this chapter‚ you should be able to: ● Concisely define each of the following key terms: atomic literal‚ collection literal‚ set‚ bag‚ list‚ array‚ dictionary‚ structured literal‚ and extent. ● Create logical object-oriented database schemas using the object definition language (ODL). ● Transform conceptual UML class diagrams to logical ODL schemas by mapping classes (abstract and concrete)
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2-1 BU8101 Accounting: A User Perspective Lecture 2 The Accounting Cycle Wednesday‚ 17 August 2011 Mrs. Ho Yin Kheng S3-01C-88 Nanyang Business School Nanyang Technological University Email: yklau@ntu.edu.sg Tel: 67905694 2-2 LO 2 Lecture Outline 1. Analyzing Business Transactions 2. Recording Process a. b. c. d. e. f. The Source Document The journal The accounts Debit and Credit rule Recording process illustrated Unadjusted trial balance 3. Adjusting entries
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Chapter 11 Relational Database Design Algorithms and Further Dependencies Chapter Outline 0. Designing a Set of Relations 1. Properties of Relational Decompositions 2. Algorithms for Relational Database Schema 3. Multivalued Dependencies and Fourth Normal Form 4. Join Dependencies and Fifth Normal Form 5. Inclusion Dependencies 6. Other Dependencies and Normal Forms DESIGNING A SET OF RELATIONS Goals: Lossless join property (a must) Algorithm 11.1 tests
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91.3902 Database Systems Assignment #1 1. Discuss the role of a high-level data model in the database design process. High-level data models assist in conceptual design and helps express data requirements of the users and includes detailed descriptions of the entity types‚ relationships‚ and constraints. The high-level data model is also used as a reference to ensure that all users’ data requirements are met and that the requirements do not include conflicts. 2. List the various
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Database Concepts Terminology In general‚ there are many acronyms and a lot of terminology used throughout the entire Information Technology (IT) field that is not used anywhere else. In this paper‚ I will briefly describe the following five terms: Online Analytical Processing (OLAP)‚ Data warehouse‚ data mart‚ three-tier architecture‚ and Active Server Pages. Online Analytical Processing OLAP "On-Line Analytical Processing - A category of applications and technologies for collecting‚ managing
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Access Case: Dentist’s Office Brief: You will create an Access Relational Database for a dentist’s office. Database Objects: Tables: 1. Patients – keeps a track of patient information (Create at least 7 patients). 2. Dental Procedures – The dentist has 5 procedures. Procedure No. Procedure Type Rate 1 Cleaning Rs.1000.00 2 Crown Rs. 2000.00 3 Filling Rs. 2000.00 4 Root Canal Rs. 3000.00 5 X-Ray Rs. 700.00 3. Appointment – keeps a track of the each appointment‚ Patient‚ Date
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