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The problem of an update affecting the execution of a query associated with the update is known as the _________(a) Updation problem(b) Incremental problem(c) Halloween problem(d) Optimization problemThe question was posed to me by my college professor while I was bunking the class.Enquiry is from Materialized Views and Advanced Topics in Query Optimization topic in section Query Processing and Optimization of RDBMS

Answer»

Correct ANSWER is (c) Halloween problem

For explanation I would SAY: The problem of an update affecting the EXECUTION of a query associated with the update is known as the Halloween problem. This was because it was first recognized on the Halloween day at IBM.



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