Introducing the Database Data versus Information constitute building blocks of information produced by processing data reveals meaning of data Data Information Information Good‚ Good timely‚ relevant information key to decision making decision making key to organizational survival Database Management Database End is shared‚ integrated computer structure housing: user data Metadata Database Manages Controls Contains Management System (DBMS)
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Immortality Through Stories Stories allow people to continue living after death. Story telling is often how people remember someone who has passed away. In both the novel Like Water for Chocolate and the film Big Fish‚ magical realism is used for story telling to make the stories more engaging and entertaining‚ which make them more likely to be told again. People live on through their stories and in this way can become immortal because of the use of magical realism in storying telling. Esquivel
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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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Review Entity-Relationship Diagrams and the Relational Model CS 186‚ Fall 2007‚ Lecture 2 R & G‚ Chaps. 2&3 A relationship‚ I think‚ is like a shark‚ you know? It has to constantly move forward or it dies. And I think what we got on our hands is a dead shark. Woody Allen (from Annie Hall‚ 1979) • Why use a DBMS? OS provides RAM and disk Review • Why use a DBMS? OS provides RAM and disk – Concurrency – Recovery – Abstraction‚ Data Independence – Query Languages – Efficiency (for most tasks)
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In the world of project management‚ utilizing the three-point technique can prove to be an invaluable tool. In addition to the three-point technique applying the earliest-start (ES)‚ earliest-finish (EF)‚ latest-start (LS)‚ and latest-finish (LF) procedure to identify the critical path‚ the project completion time‚ and the slack for each task can prove to be set of invaluable data that will assist the project manager in accurately determining task duration estimates for the entire scope of work
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GROVE CITY AREA SCHOOL DISTRICT B.K. BROWN PLANNED COURSE 7/09 COURSE TITLE: Introduction to Composition and World Literature GRADE LEVEL: 9 LENGTH OF COURSE: CREDIT AWARDED: 1.0 RELATIONSHIP TO GRADUATION OUTCOMES: SUMMARY OF PLANNED INSTRUCTION: Level I English is a standards-based‚ skills-driven course. Students read novels‚ short stories‚ poems‚ plays‚ autobiographies‚ speeches‚ epics‚ etc. from all over the world; specific areas of focus are Africa‚ the Middle East‚ Asia
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Exercises 9 address driver-id person name owns license model year car report-number location date driver participated accident damage-amount Figure 2.1 E-R diagram for a Car-insurance company. Exercises 2.1 Explain the distinctions among the terms primary key‚ candidate key‚ and superkey. Answer: A superkey is a set of one or more attributes that‚ taken collectively‚ allows us to identify uniquely an entity in the entity set. A superkey may contain extraneous attributes
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2013 Week 4 Problems and Exercises Chapter 7 5) Consider the E-R diagram in Figure 7-20. Based on this E-R diagram‚ answer the following questions: a. How many EMPLOYEES can work on a project? There is no set limit of employees to work on one given project. b. What is the degree of the Used on relationship? There are 2 degrees for the Used on relationship. c. Do any associative entities appear in this diagram? If so‚ name them. Yes there is task which is an associative entity. d
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Ionization Energy and Electron Affinity Ionization Energy is removing an electron Electron Affinity is adding an electron Ionization Energy • Energy required to remove an electron from a ground state atom Ionization Energy of Noble Gases • Noble gases have full orbitals‚ so it is difficult to remove an electron from them. But‚ it does become easier the further away the electrons get from the nucleus. Ionization Energy of Alkali Metals • Alkali Metals only have one valence electron
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In soccer there are many ways to kick a ball. A power kick is one of them. Keep on reading to find out how to do one. First‚ you’re going to need to get supplies. One of your supplies will need to be 2 legs because you can’t play soccer with one or no feat. You’ll also need lots of strength so the soccer ball can be kicked really far. Your last thing you will need is obviously a soccer ball so you can have something to actually kick. Now you are ready to do the kick. First‚ take a big step back
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