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    Data modeling technique


    Which of the following is not used in data modeling technique?
    (A) E-R diagram
    (B) Data Flow Diagram
    (C) Class Diagram
    (D) None of the above

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    • portcitysoftwar disagrees : School Work
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    Originally Posted by Kynthia Melissa
    Hello Friends,

    Data Models Used in Practice:-

    Conceptual data models. These models, sometimes called domain models, are typically used to explore domain concepts with project stakeholders. On Agile teams high-level conceptual models are often created as part of your initial requirements envisioning efforts as they are used to explore the high-level static business structures and concepts. On traditional teams conceptual data models are often created as the precursor to LDMs or as alternatives to LDMs.

    Logical data models (LDMs). LDMs are used to explore the domain concepts, and their relationships, of your problem domain. This could be done for the scope of a single project or for your entire enterprise. LDMs depict the logical entity types, typically referred to simply as entity types, the data attributes describing those entities, and the relationships between the entities. LDMs are rarely used on Agile projects although often are on traditional projects (where they rarely seem to add much value in practice).

    Physical data models (PDMs). PDMs are used to design the internal schema of a database, depicting the data tables, the data columns of those tables, and the relationships between the tables. PDMs often prove to be useful on both Agile and traditional projects and as a result the focus of this article is on physical modeling.


    Thanks and Regards,
    Kynthia Melissa
    What is final answer out of the given options A B C or D
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    Originally Posted by shyjuu
    What is final answer out of the given options A B C or D
    Stop asking us to do your homework/assignments!!!

    If you don't know, you need to study to figure it out yourself or you'll never be able to answer the same question in real life.
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    I am confused


    Originally Posted by Catacaustic
    Stop asking us to do your homework/assignments!!!

    If you don't know, you need to study to figure it out yourself or you'll never be able to answer the same question in real life.
    According to me answer is B , and its not my homework or assignment , I just came across this Question so I am asking
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    Originally Posted by shyjuu
    I just came across this Question so I am asking
    The same way that you "just came across" these other four questions, all in the same field, all asked the same way, and all posted at the same time?

    http://forums.devshed.com/software-design-43/artificates-934104.html
    http://forums.devshed.com/software-design-43/which-statement-is-not-true-934105.html
    http://forums.devshed.com/software-design-43/acceptance-and-system-test-plans-934103.html
    http://forums.devshed.com/software-design-43/document-934101.html

    It's obvious that it's homework. Please don't insult our intelligence by trying to play innocent.
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    Originally Posted by Catacaustic
    The same way that you "just came across" these other four questions, all in the same field, all asked the same way, and all posted at the same time?

    http://forums.devshed.com/software-design-43/artificates-934104.html
    http://forums.devshed.com/software-design-43/which-statement-is-not-true-934105.html
    http://forums.devshed.com/software-design-43/acceptance-and-system-test-plans-934103.html
    http://forums.devshed.com/software-design-43/document-934101.html

    It's obvious that it's homework. Please don't insult our intelligence by trying to play innocent.
    Yes this are all Questions that I donot know perfect answer, if its homework then I would have asked my classmates, no need to waste my time posting it on this forum, if u know the answer then reply otherwise do not interpret in wrong way
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    Its obvious that he is asking homework questions that he doesn't know the answers to and is an absolute loner who has no friends in class to ask(as his name shyjuu suggests). Dude admit its your homework you might get a bit of pitty help but telling people to shut their mouths is just going to get you responses like this, and negative rep.

    Either way I am done with school and i really dont feel like having little "help vampires" trying to get others to do their homework.

    Originally Posted by shyjuu
    Yes this are all Questions that I donot know perfect answer, if its homework then I would have asked my classmates, no need to waste my time posting it on this forum, if u know the answer then reply otherwise do not interpret in wrong way

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