ready to focus on the data design of the Willow brook School’s information system. To perform the following tasks‚ refer back to the documentation given in earlier weeks and also ones you prepared from the systems analysis phase. Tasks 1. Create an ERD for the Willow brook School’s information system with relationship or cardinality notation. 2. Design fully normalized 3NF tables for the system. Use the real-world normalization examples starting on page 372 of your text that illustrates the use of
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By Arun Sen and Atish P. Sinha A Comparison of Data Warehousing Methodologies Using a common set of attributes to determine which methodology to use in a particular data warehousing project. DATA INTEGRATION TECHNOLOGIES have experienced explosive growth in the last few years‚ and data warehousing has played a major role in the integration process. A data warehouse is a subjectoriented‚ integrated‚ time-variant‚ and nonvolatile collection of data that supports managerial decision making
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AIS 424A- Winter 2013 List of Most Important Topics to Review for Exam I Chapters 1&2: - The three basic objectives of AIS 1. To effectively collect and store data about a company’s activities‚ transactions‚ and resources - Capture transaction data on source documents. - Record transaction data in journals‚ which present a chronological record of what occurred. - Post data from journals to ledgers‚ which sort data by account type. 2. To transform data into information useful to management
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Homework Assignment #2 03/04/13 Please provide your answer after each problem and submit the file with your answers through Angel. Problem #8 from page 145 Using the Crow’s Foot methodology‚ create an ERD that can be implemented for a medical clinic‚ using at least the following business rules: a. A patient can make many appointments with one or more doctors in the clinic‚ and a doctor can accept appointments with many patients. However‚ each appointment is made with only one doctor and
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ARAULLO UNIVERSITY PHINMA EDUCATION NETWORK Employee Contract Monitoring System A System Analysis and Design Project Presented to College of Information and Technology Engineering In Partial Fulfillment Of the Requirements for the Degree of Bachelor of Science in Information technology By: Morelos Maruis Pineda Mark Anthony Evelyn Juliano Adviser March 2013 ARAULLO UNIVERSITY PHINMA EDUCATION NETWORK PANEL’S
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ISM 6215 - Business Database Systems I Fall 2013 Home Work – 1 (Marks 100) Question 1 - Contrast the following terms. Give one example of each 1. Degree versus cardinality of relationship 2. Required versus optional attributes 3. Data dependence versus data independence 4. Structured versus unstructured data (4*2.5 =10 marks) Answer 1 - Degree; cardinality. The degree (of a relationship) is the number of entity types that participate in that relationship‚ while cardinality is a
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Question 2 Briefly‚ but precisely‚ explain the difference between single-valued attributes and simple attributes. Give an example of each. Question 3 [14marks] Use the following business rules to create an ERD using UML notation. Write all appropriate multiplicities in the ERD. • A department employs many employees‚ but each employee is employed by one department. • Some employees‚ known as “rovers‚” are not assigned to any department. • A division operates many departments‚ but each department
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CHAPTER 2 Methodology The Research Design The descriptive method of research was used for this study. To define the descriptive type of research‚ Creswell (1994) stated that the descriptive method of research is to gather information about the present existing condition. The emphasis is on describing rather than on judging or interpreting. The aim of descriptive research is to verify formulated hypotheses that refer to the present situation in order to elucidate it. The descriptive
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unambiguous definition for each attribute. Then‚ redraw BEC‚ Figure 6-1 by placing the six (and additional) entities in this case on the diagram along with their associated attributes. The updated ERD appears in the BEC ERD at the end of this section. Microsoft Visio was used to prepare the ERD. The Comment entity has the attributes: * Comment ID – a number generated by the system to uniquely identify a comment. * Membership ID – the membership number of the customer who makes the
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Contents ERD (Entity Relation Diagram) 2 2.1 History of ERD 2 2.2 Building Blocks 2 2.2.2 Relationship 2 2.3. Diagramming Conventions 3 MS ACESS TABLE 5 3.1 Parts of Table 6 3.2 Creating Tables in Access 6 Chapter No 2 ERD (Entity Relation Diagram) 2.1 History of ERD An entity-relationship model (ERM) is an abstract and conceptual representation of data. Entity-relationship modeling is a database modeling method‚ used to produce a type of conceptual schema or semantic data
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