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What is Cross Product? Simply Cross product is Binary Operator
construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er d
Define what Immediate database modification technique uses? Ans: Both undo and redo.
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
At its most essential level the DBMS architecture can be divide into two parts: the back end and the front end. The back end is responsible for managing the physical database an
Which method of access uses key transformation? A Hash method of access uses key transformation.
normal forms
Secondary Indexes Let consider the student database and its clustering index and primary (only one will be applicable at a time). Now consider the state when the database is to
Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e
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