Computers and Technology, 25.02.2020 20:23 simplychan

Composite and multivalued attributes can be nested to any number of levels. Suppose we want to design an attribute for a STUDENT entity type to keep track of previous college education. Such an attribute will have one entry for each college previously attended and each such entry will be composed of college name, start and end dates, degree entries (courses completed at that college, if any). Each degree entry contains (courses completed at that college, if any). Each degree entry contains the degree name and the month and year the degree was awarded, and each transcript entry contains a course name, semester, year and grade. Design an attribute to hold this information. Use ER Diagram standard and present this attribute.

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Composite and multivalued attributes can be nested to any number of levels. Suppose we want to desig...

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