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What are the two distinct aspects to the implementation of associations?
i) It is required to define data declarations which will enable details of actual links to be stored. It will comprise of defining data members in one class which can store references to objects of associated class.
ii) It is necessary to consider means by which these pointers will be manipulated by the rest of application. The details of underlying implementation of association must be hidden from client code.
This project requires you to create a database design. Your design will be documented in a set of Entity-Relationship diagrams. Draw a set of Entity-Relationship diagrams to mode
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
List some instances of collection types? a) sets b) arrays c) multisets
Consider the following relational schema: Doctor(DName,Reg_no) Patient(Pname, Disease) Assigned_To (Pname,Dname) Give expression in both Tuple calculus and Domain calculus for
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What are the various states through which a transaction passes through in its lifetime? Briefly discuss all the events that causes transition from one state to another. Ans:
please describe the data base management with the easy example &give the application?
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