Entity-Relationship (E/R) Model Dr P Sreenivasa Kumar Professor 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
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In the maintenance environment it is important to have a clear understanding of the layout of maintenance strategies and the techniques that form the basis of the strategies. The different maintenance techniques namely‚ preventative‚ reactive and proactive maintenance are not so effective if used independently‚ but as a combination it serves as a powerful maintenance tool (Conradie‚ 2015). The cold box consists of sixteen main equipment where it can be divided into categories to differentiate what
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Mobile Device Protection The consequences of losing a smartphone or other mobile device are significant because these devices store personal and business data. The goal‚ therefore‚ for mobile devices users is to make their data as secure as possible. Techniques include avoiding unsafe links‚ using caution when downloading apps‚ turning off GPS tracking‚ and installing mobile security software. A high percentage of users follow unknown links‚ which can lead to a malicious website. Malicious
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07‚ November 2010 Truck Driving: How Do You Do It? How many of us can drive a truck? Most people wouldn’t know where to start. All they see is a huge chunk of metal with wheels and can’t fathom driving it. Using this guide will give a crash course (no pun intended) in truck driving and what it’s like on the road with these monsters. It also may help one understand the world of the truck driver and give them a new found respect for them. One of the first steps every truck driver must do before
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My idea of a fun weekend is going to the lake with my family. We have a camper up there and a boat. When we go to the lake we bring the boat and the entertub.I drive the truck and the boat a lot. We tack the dogs and the guns and go shooting it is really fun. I love sitting by the fire with my dogs and family. In the moorings I go fishing or go on a hike with my dog Lucy the other dogs name is Dozer that is my sister’s dog. It is really cool than thar is waters falls and a lot of little crick’s
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What The Truck? When it comes to American-made vehicles‚ one can argue which manufacturer is best‚ but that argument may not hold true for both cars and trucks. The featured model trucks from the American manufacturers Chevrolet and Ford are very similar in comparison‚ however a few distinct differences from each may sway ones opinion as to which is the elite model. The latest full-sized stock models for each manufacturer will be evaluated for overall stock performance based on horsepower‚ torque
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Having A Reliable Truck Repair Service Available Is Essential Any individual who possesses an armada of transportation vehicles or even a semi-truck will require somebody to give quality trailer repair sooner or later in time. Giving an administration like this requires experienced and extraordinarily prepared staff individuals whose primary objective is to give extraordinary client administration. The deciding aftereffect of value trailer repair ought to be a durable completed item. It is basic
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If your business owns and utilizes work vehicles‚ commercial truck insurance is essential. Your policies and business practices can impact the costs and types of coverage you may qualify for. By avoiding some common mistakes and keeping the following advice in mind‚ you can ensure that you’ll get the best possible rate. Common Mistakes that Increase the Cost of Commercial Truck Insurance Driving for extended periods - When drivers are on the road for extended periods‚ it can be dangerous. Not only
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In this case‚ through the events that had transpired the drivers had committed larceny‚ and driver #2 also committed extortion and assault on truck driver #1. Both truck drivers have committed the act of larceny‚ a form of non-violent robbery‚ through the act of taking the owner’s $1000 that did not belong to them. According to the State of Rhode Island General Laws‚ “every person who shall commit robbery or other larceny from the person by force or threat‚ where there is no weapon and no injury
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JUST KEEP TRUCKIN’ ‚ AMERICA…..AND DON’T THINK ! (Or View From A Truck) by Frank Belcher PREFACE What is a truck ? Webster’s Collegiate Dictionary (Fifth Edition) published by G. & C. Merriam Company in 1947‚ among several definitions‚ calls it: "Any strong horse-drawn or automotive vehicle for heavy or long-distance hauling." Indeed‚ such automotive vehicles for heavy or
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