Describe at least three E-R structures and their relational representation.
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Q63: A computer operating system stores data in
Q64: A _ value is a special field
Q65: A(n)_ is a coding scheme recognized by
Q66: Each partition is stored in a separate
Q67: Normalized relations are,of course,the result of _
Q69: In some situations,a single attribute name,called a(n)_,may
Q70: _ is NOT a valid type of
Q71: Summarize the four steps involved in transforming
Q72: A _ table is a named set
Q73: A(n)_ is a field of data that
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