(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 model of a system
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The Flow of Energy Stacey Ann Langston SCI/209 February 3‚ 2013 Cynthia Collin-Clausen The Flow of Energy The marine ecosystem relies on solar energy converted through photosynthesis by producers. Consumers‚ fish for example‚ metabolize‚ and release as chemical energy to convert into mechanical energy. The ecosystem distributes energy to living organisms through heat energy. Decomposers break down dead organisms and deplete them of their
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Entity Relationship Diagram? An entity relationship diagram is a graphical representation of an organisation’s data storage requirements. Entity relationship diagrams are abstractions of the real world which simplify the problem to be solved while retaining its essential features. Entity relationship diagrams are used to: identify the data that must be captured‚ stored and retrieved in order to support the business activities performed by an organisation; and identify the data required to derive
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Deepak Agarwal TABLE OF CONTENTS • Objectives………………………………………………………………………………….. 3 • Executive Summary……………………………………………………………………. 4 • Introduction of the Retail Industry……………………………………………… 5 • Overview of Shoppers Stop………………………………………………………… 7 • Major Players and competitor………………………….………………………… 8 • Customer Expectations………………………………………………………………. 9 • Performance……………………………………………………………………………….10 • Marketing Channels……………………………………………………………………
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Mini Case 1—Mystery Shopper Situation: It was a chilly night with showery rain at September 15th‚ 2011‚ Thursday. I went to Lush‚ which located in the second floor of Cherry Creek shopping center‚with two of my friends‚ Jelly and Sammie. We entered Lush at about 8:20 pm(Cherry Creek shopping center close at 9pm on Thursday). We wanted nothing particular‚ a Beauty Assistant recommended us several products and showed us how those products work. In the end‚ Jelly bought a jar of facial mask‚ a jar
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Being A Smart Shopper Is A Skill The most important thing to me when shopping is not the things I buy‚ but what I get for my money. There are many things to keep in mind as I shop. I have to think of the things I need‚ if I’m shopping wisely and not get caught up in all of the TV ads and if I am within my budget. But with a little focus and discipline‚ I know I can do it. After all‚ I come from a long line of generations before me that have done just that. Most importantly‚ are
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the functioning of the Circular Flow of Income. The Circular Flow of Income is a model that indicates how money moves throughout an economy. This model was mainly in use up to the Second World War and is a model developed by classical (monetarist) economists. Many models have been developed based on The Circular Flow of Income. The Circular Flow of Income consists of two parts‚ the inner circular flow and injections and withdrawals. In the inner circular flow there are two basic economic institutions
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Question 1 Given the following business rules‚ create the appropriate Crow’s Foot ERD. a. A company operates many departments. b. Each department employs one or more employees. c. Each of the employees may or may not have one or more dependents. d. Each employee may or may not have an employment history. Question 2 The Hudson Engineering Group (HEG) has contacted you to create a conceptual model whose application will meet the expected database requirements for the company’s
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ABSTRCT Every day when you wake up and explore the world‚ you tend to notice that the world around you is changing drastically. Technology is growing faster than the growth of population in world. But not all Technology is utilized for the betterment of the life of people. One of the greatest effects of technology is its utilization in the field of robbery. People have become so greedy that they find new and unique way of robbery. But not all brains work in worked way. We have utilized our
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The Iron-Carbon Diagram There are two iron-carbon equilibrium diagrams: - stable iron-graphite Fe-Gr - metastable iron-cementite Fe-Fe3C The stable condition usually takes a very long time to develop. The metastable diagram is of more interest. Fe3C iron carbide called cementite because it is hard. Following phases exist on Fe-Fe3C diagram: - liquid solution of iron and carbon (L) - ferrite ( ) – an interstitial solid solution of carbon in Fe (bcc). At room temperature ferrite is ductile but
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