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Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
Different stages of DDLC ?
Mappings between Levels and Data Independence The 3 levels of abstraction in the database do not exist separately of each other. There must be some correspondence, or mapping
Availability: A site having the copy of a replicated relation fails, even then the relation may be found in another site. Therefore, the system may carry on to process at least th
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
A buyer for a large department store chain must place orders with an athletic shoe manufacturer six months prior to the time the shoes will be sold in the department stores. In par
explain in detail about time stamp orderting/
how to make an e r diagram?
Discuss the methods for a hash file to expand and shrink dynamically. What are the advantages and disadvantages of each? The hashing methods that permit dyanamic file expansi
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