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Greater potential for bugs: Since the sites of a distributed system operate simultaneously, it is more complex to ensure the correctness of algorithms. The art of constructing distributed algorithms is an important and active area of research.
Increased processing overhead: The exchange of messages and the additional computation needed to achieve coordination between the sites is an overhead that does not arise in centralised systems.
Describe the primary key functions? Primary Key : The primary key is an attribute or a set of attributes in which uniquely identify a specific example of an entity. Every entit
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Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
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