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The _____ stage uses data modeling to create an abstract database structure that represents real-world objects in the most realistic way possible.
Q15: Composite keys are useful as identifiers of
Q23: A _ is a primary key created
Q24: According to the "preferably single-attribute" characteristic of
Q25: Dr. Codd's _ rule of relational database
Q28: Data _ implies that all business entities,
Q30: No matter what language you use, if
Q38: You cannot have an invalid entry in
Q64: A(n) _ routine pools multiple transactions into
Q66: An optimistic approach is based on the
Q70: What is transaction isolation and why it