
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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With a short explanation, construct a scenario in which the real-world issue is resolved using a piecewise function.
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- How is "definite event simulation" used in (one of) the following scenarios?arrow_forwardLet's revisit our first problem, where we want to set up a series of chess matches so we can rank six players in our class. As we did before, we will assume that everyone keeps their chess rating a private secret; however, when two players have a chess match, the person with the higher rating wins 100% of the time. But this time, we are only interested in identifying the BEST of these six players and the WORST of these six players. (We don't care about the relative ordering or ranking of the middle four players.) Your goal is to devise a comparison-based algorithm that is guaranteed to identify the player with the highest rating and the player with the lowest rating. Because you are very strong at Algorithm Design, you know how to do this in the most efficient way. Here are five statements. A. There exists an algorithm to solve this problem using 6 matches, but there does not exist an algorithm using only 5 matches. B. There exists an algorithm to solve this problem using 7 matches,…arrow_forwardConsider the following problems. Which of them should be solved with optimizationand which of them with adaptation?(a) Deciding which building to construct next in a RTS game(b) Driving a jeep in a convoy(c) Selecting the contents of the backpack in a role-playing game(d) Casting a spell against a known enemy(e) Casting a spell against an unknown enemy.arrow_forward
- create an ERD for following scenario by using crow foot model technique Kangaroos, wombats and koalas are all kinds of marsupials.”arrow_forwardNeed a implementation plan for this : Our aim is to take increase toy paratrooper flight time with the parachutes provided and find suitable alternatives to reduce its descent through the most feasible means. The justification for increased flight time being if we were to take these model paratroopers to represent actual paratroopers' lower descent speeds will provide safer landings and more maneuverable descents. We learned through observation that our paratrooper's initial descent is practically freefall and extremely erratic which gives us our main point of optimization. Our only variables which we can alter are wind resistance provided by said parachute, elevation, conditions(temperature) within a margin, and weight. We will make alterations where it is possible to reach our goal of a practical lower descent speed and thereby an increase in descent time and more stable, safe flight for our toy paratroopers.arrow_forwardHow can the amount of overhead brought on by NPT be reduced using the many options that are available?arrow_forward
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