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SQL has been implemented only in the mainframe and midrange environments.
Q3: What is clustering?
Q12: An association that has its own attributes
Q12: Which of the following is a component
Q37: If the DBA wishes to describe all
Q37: On what premises are business rules based?
Q52: An instance of a subclass is not
Q65: The following queries produce the same results.<br>SELECT
Q75: Using a packaged data model, projects take
Q89: In the figure below, each employee has
Q131: Controls designed to restrict access and activities