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Question: (a) Define the term e-Government and briefly explain, using appropriate examples, the aspects it covers. (b) Give four reasons as to why a country should adopt e
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
List the Armstrong's axioms for functional dependencies. What do you understand by soundness and completeness of these axioms? Ans: The Armstrong's axioms are: F1:
Explain the components of Database System in details.
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
Data Independence This brings us to our next topic: data independence. It is the property of the database which tries to make sure that if we make any change in any level of sc
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
Performance of Various Concurrency Control Mechanisms
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