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Question:
(a) Why is it important to know the architecture rather than to start requirement capture when designing a large scale system?
(b) Who are the different people involved in a large scale project?
(c) Show about component-based development.
Which database object does not physically exist? A view database object does not physically exist.
Mappings between Levels and Data Independence The 3 levels of abstraction in the database do not exist separately of each other. There must be some correspondence, or mapping
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Data slice explanation
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Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
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Consider the subsequent relation Professor (Pfcode, dept, head, time) It is assumed that (i) A professor can work in much more than one
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