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What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
Design a gennalization and specialization hierarchy for an automobile sales company
entity relationship diagram about finance
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
We face problem of stock Opening balance and closing balance in Minus
Give the reasons for allowing concurrency? The reasons for allowing concurrency is if the transactions run serially, a short transaction might have to wait for a preceding long
Define Deadlock recovery measures To recover from deadlock, the cycle in the wait-for-graph should be broken. The common technique of doing this is to rollbac
Entities Let us first be aware of the question: What are entities? An entity is an object of concern used to show the things in the actual world, e.g., table, car, bo
What is Nested Trigger? A trigger can also having INSERT, UPDATE and DELETE logic within itself, so when the trigger is fired because of data modification it can also cause ano
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
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