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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Difference Between ERD and DFD ERD and DFD are data presentation models that help in identifying the flow of data as well as inputs and outputs. They are important as they enable effective communication between members of different departments in an organization. There are similarities in the two types of data presentation models although there are differences that will be talked about in this article. DFD’s are systematic representation of how data flows in an organization‚ how and from where
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Reading Response (Diagrams Matter by Stan Allen) “A diagram architecture is not necessary an architecture produced through diagrams.... Instead‚ diagram architecture is an architecture that behaves like a diagram‚ indifferent to the specific means of its realization." (Par. 13) This paragraph points out the answer that beginners architecture students struggled to find. In the process of design‚ I try to find the potential through the translation from reality to the abstract diagram. While I wonder
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FISHBONE DIAGRAM The cause-and-effect diagram was initially developed by Japanese quality expert Professor Kaoru Ishikawa. In fact‚ these diagrams are often called Ishikawa diagrams; they are also called fishbone charts for reasons that will become obvious when we look at an example. Cause-and-effect diagrams are usually constructed by a quality team. For example‚ the team might consist of service designers‚ production workers‚ inspectors‚ supervisors‚ quality engineers‚ managers‚ sales representatives
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Logic to Ladder Diagram There are some methods to do PLC programming. The programming methods can be with Logic Ladder Diagram‚ mnemonic (statement list)‚ and / or function block diagram. One of the PLC programming methods that are very commonly used programming using PLC ladder diagram. The method is practical and easy to understand. The programmer in charge of writing a program should describe an electronic switch circuit. It can be designed to perform the conversion of electronic circuits that
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Huffman Trucking ERD Explanation Alvin Calahan‚ Adam Morgan University of Phoenix Database Concepts DBM/380 Michael James November 19‚ 2011 Huffman Trucking ERD Explanation Huffman Trucking‚ founded in 1936 with a single tractor trailer has grown tremendously over the years. Huffman Trucking now has 800 road trailers‚ 2100 45 ft. trailers‚ 260 roll-on and roll-off units‚ 925 drivers‚ and 425 support personnel. With facilities in Cleveland‚ OH‚ Los Angeles‚ CA‚ St. Louis‚ MO‚ and Bayonne
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2.3 Ishikawa diagram In 1960s‚ Professor Kaoru Ishikawa has introduced Ishikawa diagram. This diagram also called fishbone diagram or cause and effect diagram (Ishikawa 1976). Since this diagram is inception‚ it has gained tremendous of popularity to identify the root cause of the variety of problems (Hossen et al. 2017). Besides that‚ Ishikawa diagram often called as fishbone diagram is because it can help in the brainstorming to determine the possible cause of a problem and also sort the ideas
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Draw ENTITY RELATIONSHIP DIAGRAM (ERD) for the following requirement: 1. Students take courses in a college 2. Customers have accounts in a bank 3. People own vehicles 4. Employees manage projects 5. Machines are made up of parts 6. A college offers several courses. Attributes of the course include course code‚ name and credits. Each course may have zero or more subjects 7. Hotel (HotelNo‚ Name‚ Add‚ TelNo) Room (RoomNo‚ HotelNo‚ Type‚ Price) Booking (HotelNo
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Class Diagram A class diagram is at the heart of UML. It represents the core purposes of UML because it separates the design elements from the coding of the system. UML was set up as a standardized model to describe an object-oriented programming approach. Since classes are the building block of objects‚ class diagrams are the building blocks of UML. The diagramming components in a class diagram can represent the classes that will actually be programmed‚ the main objects‚ or the interaction between
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Venn Diagram Tracy Powell MATH 56 1/25/2015 Lok Man Yang Venn Diagram A Venn diagram is a visual tool to help students organize complex information in a visual way. The Venn diagram comes from a branch of mathematics called a set theory. John Venn developed them in 1891 to show the relationship between sets. The information is normally presented in linear text and students make the diagram to organize the information. It makes it easier when there is a lot of information‚ because with linear text
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