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Explain briefly concurrent task by taking an example.
Concurrent Task- The concurrent occurrence of more than one event is called concurrent task. Operating systems can handle concurrent tasks capably. The Air Traffic Control system (ATC) for examples, can manage simultaneous tasks in fractions of a second.
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
prototype of a distributed information system for a national car part retail outlet chain.
Define the categories of SQL Statements? 1) Statements that don't return a result set. This statement class includes INSERT, DELETE, and UPDATE. 2)Statements that return
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
What is ICR? A. ICR (Intelligent Character Recognition) is a technology that gives scanning and imaging systems the ability to identify images of hand-printed or script charact
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
UNION If R1 and R2 are two union compatible relations then R3 = R1 ∪ R2 is the relation having tuples that are either in R1 or in R2 or in both. In case, R3 will have tuples
Your OS has a set of queues, each of which is protected by a lock. To enqueue or dequeue an item, a thread must hold the lock associated to the queue. You need to implement an a
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