Specify a DTD appropriate for a document that contains data from both the C????? table in Figure 4.34 and the R??????? table in Figure 4.35. Try to re?ect as many constraints as the DTDs allow. Give an example of a document that conforms to your DTD.
What will be an ideal response?
One good example of such a document is shown below. Note that it does not try to mimic the relational representation, but instead courses are modeled using the object-oriented approach.
..... .....
An appropriate DTD would be:
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