entire BIRDEM hospital in which data maintenance and retrieval are in perfect harmony and speedy. Sample SQL-based queries executed on the designed system are also demonstrated. Keywords- Database system‚ entity relationship relational model‚ normalization‚ SQL-based queries. Introduction diagram‚ Mohammad Saber Department of Computer Science and Engineering Ahsanullah University of Science and Technology (AUST)
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3 Steps in Database Creation 7 Entity Relationship Diagram 5/30/2011 8 Logical Model & Normalization 6/06/2011 9 Microsoft Access Database 6/13/2011 10 Microsoft Access Database
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Entity-Relationship Diagrams (ERD) Data models are tools used in analysis to describe the data requirements and assumptions in the system from a top-down perspective. They also set the stage for the design of databases later on in the SDLC. There are three basic elements in ER models: Entities are the "things" about which we seek information. Attributes are the data we collect about the entities. Relationships provide the structure needed to draw information from multiple entities. Generally
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transfertime‚ beach‚ beachnum‚ page) HOTELS (hotel_id‚ hotelname‚ sunbeam‚ ya‚ rating‚ stdbasis‚ page‚ resort‚ resortloc‚ roomtotal) FACILITIES (facid‚ description‚ category) FACINRESORT (resort‚ facid) FACINHOTEL (hotelid‚ facid‚ numof) 1.3 Normalization 1.3.1 First Norm COUNTRY (countryCode‚ countryName‚ language‚ timezone‚ currency) REGION (regionNo‚ landtype‚ countryCode‚ scenery‚ resortID) RESORT (resortID‚ resortloc‚ regionNo‚ transfertime‚ beach‚ beachnum‚ page) HOTELS (hotel_id‚ hotelname
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ERD Normalization Name DBM 380 April 19‚ 2010 Instructor Introduction Normalization means to organize data and break-down the data into smaller tables‚ which makes data management an easier process. To avert redundant data‚ normalization of a database occurs thus making sure data dependencies make sense. Database normalization aids in the identification of potential
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calculated in HKD Weekday: Monday to Friday‚ Weekend: Saturday and Sunday The hire price of each equipment should be calculated on the first hire day depends on weekday or weekend‚ the charge for each additional day is the same. 2 ERD (Ref. D2) Figure 1 ERD in Chen’s Notation 3 Relational Schema (Ref. D3) MemberShipCategory (MemShipID‚ MemShipName‚ MemShipDiscount) Customer (CustID‚ FName‚ LName‚ Address‚ Distance‚ MemShipID) /*MemShipID referencing MemberShipCategory.MemShipID*/
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JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY TAITA TAVETA CAMPUS A PROPOSAL TO IMPLEMENT A POINT OF SALE SOLUTION FOR THE MUNICIPAL COUNCIL OF VOI By Name: Reg. No.: Faculty: I.C.S.I.T. Department: Mathematics and Informatics Supervisor: Mr. Fanon Ananda‚ Maths and Informatics department. Date: Friday‚ 12/10/2012 A research proposal submitted in partial fulfilment of the requirement for the award of “Bachelor’s Degree in Information Technology”.
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additional feedback from the stakeholders and create the fine tune the database requirements (Kroenke & Auer‚ ‚ 2010). Link Fleet Truck Maintenance Databases (CR3) The Entity Relationship Diagram‚ also known as (ERD) demonstrates the relationship between data in the new database. ERD shows the logical path that the data follows. The data model gives one understanding and the visual representation to observe the different phases of the database and determine the path the information is pulled or
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success and fail although opposite in meaning‚ means the same. It does not take into account what they consider to be “normal” in their privileged world can be contested by those who they consider to be aberrant. If those who step outside of the “normalization of the privileged” and is successful‚ their success may be only success in their eyes‚ not to be truly recognized as such (failure). Not conforming to the normality of the privileged‚ put those who are affiliated with them‚ (but not privileged)
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MODULE: DATABASE DESIGN & DEVELOPMENT ASSIGNMENT TITLE: VETERINARY SURGERY DATABASE DEVELOPMENT Table of Content Task 1 Page 2 Task 2 Page 5 Task 3 Page 14 Task 4 Page 28 Task 5 Page 30 Reference Page 32 Bibliography Page 33 Task 1 Question: AIM: Draw an Entity Relationship Data Model that describes the content and structure of the data held by Petcare. Specify the cardinality ratio and participation constraint of each relationship type. Answer: I have prepared this assignment
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