CS&E Dept I I T Madras Entity-Relationship (E/R) Model Widely used conceptual level data model • proposed by Peter P Chen in 1970s Data model to describe the database system at the requirements collection stage • high level description. • easy to understand for the enterprise managers. • rigorous enough to be used for system building. Concepts available in the model • entities and attributes of entities. • relationships between entities. • diagrammatic notation. Prof P Sreenivasa Kumar Department
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Free Data Flow Diagrams Tutorial DFD Tutorial Data Flow Diagrams - Introduction Data flow diagrams can be used to provide a clear representation of any business function. The technique starts with an overall picture of the business and continues by analyzing each of the functional areas of interest. This analysis can be carried out to precisely the level of detail required. The technique exploits a method called top-down expansion to conduct the analysis in a targeted way. [pic] The
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Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation. A free-body diagram is a special example of the vector diagrams that were discussed in an earlier unit. These diagrams will be used throughout our study of physics. The size of the arrow in a free-body diagram reflects the magnitude of the force. The direction of the arrow shows the direction that the force is acting. Each force arrow in the diagram is labeled
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This is a reflective account on administering medication. I have asked and confirmed permission from a service user whom I will refer to as Mrs.N. At the start of my shift I would receive a handover from a senior member of staff who has administered and monitored the medication the service user would require during the night. We would together check all MARS sheets were marked ans the medication count was correct. I would receive the drug trolley keys from the previous shifts senior member of staff
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Medication utilized is as old as humankind itself. Individuals have dependably had a longing to eat or drink substances that make them feel casual‚ fortified‚ or euphoric. Since the mid 1960s‚ then again‚ medications have been in exceptionally across the board utilization. Prior to that time they were uncommon. An overall spread of medications happened amid that decade‚ and a huge rate of individuals got to be medication takers. There are different meanings of what a medication is. For the reasons
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Prioritizing Patient Safety Patient Safety – Start up: “Patient safety” the new mantra is now revealing out its structure as a major component to be concentrated by the health care providers. Patient Safety that emphasizes the reporting‚ analysis‚ and prevention of medical error that often leads to adverse healthcare events. Lack of patient safety – the silent killer having its impact more than any other disease or traffic accidents and it is holding a record of leading position
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Today in education there are many individuals that need laws that are implemented under the IDEA (Individuals with Disabilities Education Act)‚ which is enforced by Public Law 94-142. This act implements certain plans that individuals with disabilities can use to help them with their special needs within a classroom. The Individualized Family Service Plan (IFSP)‚ the Individualized Education Plan (IEP) and the 504 plan all have many some things in common. However there are also many differences that
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formal plan. On the other hand‚ large‚ multiyear‚ multilevel projects with many participants may require multiple formal plans. The HRM plan is based on the project schedule. 1. Objection of the project: In Order to be able to define our system architecture‚ we must first dearly state what our objective that will
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1/9/2013 Mass and Haul Diagram HAUL : product of earth excavated and the distance it was transported to form an embankment or to be disposed as waste. unit: meter – station (metric) = 1 m3 to be transported FREE HAUL DISTANCE (FHD) : fixed distance within which the hauling of material is not paid for but it is assumed to be included in the cost of excavation. OVERHAUL (OH) : product of volume in excess of the free haul mass and the length of overhaul in which payment is already required. LENGTH
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Network Diagrams and schedule analysis NETWORK DIAGRAMS ARE SCHEMATIC DISPLAYS OF PROJECT SCHEDULE ACTIVITIES AND THE INTERDEPENDENCIES BETWEEN THESE ACTIVITIES. WHEN DEVELOPED PROPERLY‚ THIS GRAPHICAL VIEW OF A PROJECT’S ACTIVITIES CONVEYS CRITICAL SCHEDULE CHARACTERISTICS REQUIRED TO EFFECTIVELY ANALYZE AND ADJUST SCHEDULES – THUS RESULTING IN ACCURATE AND FEASIBLE SCHEDULES. THIS DOCUMENT ADDRESSES WHAT SHOULD BE CONSIDERED IN THE DEVELOPMENT OF A NETWORK DIAGRAM‚ HOW NETWORK DIAGRAMS ARE CREATED
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