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The conceptual design step that defines entities,attributes,and relationships is ____.
Q24: Operational data and decision support data serve
Q30: In Oracle,the _ command is used to
Q32: The ANSI has defined standards that govern
Q49: The combination of normalization and ER modeling
Q57: The _ scenario describes a fully distributed
Q62: The implementation of _-produced applications tends to
Q69: A _ key is a real-world,generally accepted
Q74: The ANSI prescribes a standard SQL-the current
Q83: The most useful feature of PL/SQL blocks
Q85: User requirements,existing system evaluation,and logical system design