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What is the meaning of Recovery? In deferred update methods, if a transaction fails before arriving its commit point, it will not have altered the database in any way, so UNDO
Explain the Strategy of Database Planning ?
What are the two types of errors? The two types of errors are: a) Logical error b) System error
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
i have assignments I don''t have time to finish because of work and other assignments, can you help with this? All are from the book Darabase design, application development and a
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
external and internal mapping with examples
Inconsistent Analysis : The problem as given with transactions T1 and T2 where two transactions interleave to make incorrect result during an analysis by Audit is the instance of s
What is the disadvantage of a call by reference? During a call by reference damage or loss of data is not restricted to the subroutine, but will instantly lead to alters to th
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