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What are the disadvantages of relational data ? Disadvantages • Performance - If the number of tables among that relationships to be established are large and the tables t
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
What is Message switching Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it s
When is a transaction rolled back? Any changes that the aborted transaction made to the database must be uncompleted. While the changes caused by an aborted transaction have be
explain in details about one to one binary relationship
Question 1: (a) Explain the legal meaning of :- (i) Computer Service Person (ii) Data holding (b) Explain how the law ensures Data protection and Security. Qu
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
what is bogus empowerment. And what is genuine empowerment
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
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