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online eductional management system ke diagram
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the delet
under what condition log based recovery is feasible?
What is Specialization? Specialization: Specialization permits you to describe new types of information (new structural types or latest domains of information), although reusin
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
Lack of Redundancy We have talked about the problems of repetition of information in a database. Such repetition should be stay away as much as possible. Let us state once again t
in case of functional dependencies how we get the higher normal form.
what is database management system? & why it is required?
Eliminate Repeating Groups The problem is, "Find out the list of employees, who knows DB2". For this problem we require to perform an awkward scan of the list looking for re
prototype of a distributed information system for a national car part retail outlet chain.
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