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distributed quey processing
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Group By clauses • It is used to group database tuples on the basis of definite common attribute value like as employees of a department. WHERE clause still can be used
Define an abstraction by which relationships are treated as higher level entities Ans: Aggregation. It is an abstraction by which relationships are treated as higher level
The issues relating to the Design of the Physical Database Files Physical File is a file as stored on the disk. The major issues relating to physical files are: • Cons
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
Wait-die" scheme : The idea is based on non-preventive method. It is based on a simple rule: If Ti requests a database resource that is held by T
milestone assignment
Explain the Cascadeless Schedule A cascadeless schedule is one in which for every pair of transactions Ti and Tj like that Tj reads a data item before written by Ti, the commit
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
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