Consider the following University Database schemas. Primary keys are underlined.Relational Schemas:department (dcode, dname, chair)Meaning and additional information:Department identified by dcode is named dname and has a department chair with ssn chair (this ssn must appear in the table faculty below)Course identified by (dcode, cno) has a title and credits (e.g., 3 units/credits)Course (dcode, cno) has a prerequisite course (pcode, pno)Class identified by class id is offered by department dcod
Consider the following University Database schemas. Primary keys …
May 1, 2023
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