Database Models s L11: ER Diagrams Kieran Herley Summary The database design process and the role of ER modelling in same. Basic constituents of ER diagrams: entities‚ relationships and attributes. While designing database it’s handy to have notation to “sketch” schema s Two common diagrammatic notations: x x s UML diagrams (Universal Modelling Language) ER diagrams (Entity Relationship) → cs1106 choice Captures the information requirements of our database: what data it con and how
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Assignment 2- Database Modeling and Normalization Dr. Amir Afzal Strayer University- CIS 515 August 7‚ 2012 Abstract Selling high end electronics is big business and being a commissioned employee in that field if your sales are up means big money. Prices for electronics range from the low hundreds into the thousands. It really depends on the person style‚ specifications they are looking for‚ trust in the brand‚ and the depth of their pockets‚ how much a person is willing to spend for
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DATABASE SPECIFICATIONS Huffman Fleet Truck Maintenance Team A May‚ 2009 Revision Sheet Release No. Date Revision Description 1 5/2/09 Initial creation of document - Kramer 3 5/3/09 Addition of POC and Abbreviations - McCoy 4 5/4/09 Schema - section 2.5.1 DATABASE SPECIFICATIONS TABLE OF CONTENTS Page # 1.0 GENERAL INFORMATION 2 1.1 Purpose 2 1.2 Scope 2 1.3 System Overview 1 1.4 Project References 1 1.5 Acronyms and Abbreviations 1 1.6 Points of Contact
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Database naming Conventions are standards when naming database components. I find Pascal Case notation naming convention to be one of the less rigorous ones. Pascal is straight forward‚ with a few rules which make it easy for development and understanding. There are several rules to Pascal notation however; the rules are simple and straight forward. The guidelines go as follow; limiting the characters in name‚ restricting underscores‚ numbers‚ the use of a letter as first character of the name
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Running head: DATABASE DEVELOPMENT Week 8 Case Study: Database Development Professor – Dr. Hossein Besharatian CIS 512 September 14‚ 2013 Table of Contents Abstract This paper defines the Software Development Life Cycle phases specifically the Waterfall method with a review of tasks to improve the quality of datasets throughout the cycle. It includes recommendations of actions to be performed for full optimization for enhancing performance from data quality assessment
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Object-Oriented Design In the object-oriented design for the CD and DVD medial collection system we need to identify the information about the media we are making a system. In the CD and DVD media system we need the name or normally called title of the CD/DVD‚ its track length‚ genre information and the ratings of the CD/DVD. Other than this some general information also needed to make system working efficiently. Item CD DVD In this media collection we needs an Item class which keeps
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Oracle Database 11g Performance Tuning PreSales 1. What type of data would benefit from the use of a reverse index? For index values which increment by 1. (*) For any character-based index value. For any index value with repeating sections. For indexes with low cardinality. Correct‚ a reverse index would work well for tables where the index values increment by 1. 2. When should you resort to using an hint in an SQL statement? You should always use hints. You should
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< The Terror Watch List Database Troubles Continue > Prepared by Question 1: Saumya Medushani Pepera Question 2+3: Nguyen Ngoc Tien Question 4: Novina Magai Question 5: Yang Xiaolin Table of Contents Executive Summary 3 Introduction 4 Q1. Why was the consolidated terror watch list created? What are the benefits of the list? 5 Q2. Describe weaknesses of the watch list. What management‚ organisations and technology factors are responsible for
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constitute its _____________. a. objects 4. A _____________ translates high-level language statements into machine code. c. compiler 5. Computer memory locations are called _____________. b. variables 6. The individual operations used in a computer program are often grouped into logical units called _____________. a. procedures 7. Envisioning program components as objects that are similar to concrete objects in the real world is the hallmark of _____________. c. object-oriented programming 8. The values
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Robotics and Applications(ISRA) Design and Realization of Network-oriented Library Management System (LMS) Junyi Hou Ziqiang Zhu‚ Jing Zong Xuzhou air force college Xuzhou‚ Jiangsu‚ China Xuzhou Air Force College Xuzhou‚ Jiangsu‚ China AbstractȄThe design of information center library management system (LMS) database and the realization process of system functions are introduced. The system is network library management system operated on the company backbone network and it consists of eight
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