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Define Deadlock detection
If a system does not employ a few protocols that make sure deadlock freedom, after that a detection and recovery scheme should be used. An algorithm which examines the state of the system is invoked periodically to determine if a deadlock has occurred. If one has, then the system should attempt to recover from the deadlock.
Why containment is important in oosystems? Containment is an significant concept in oosystems because it allows dissimilar users to view data at different granularities.
why we fregment at all?
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
We face problem of stock Opening balance and closing balance in Minus
diagrams and meaning
Define functional and multivalued dependencies. Ans: A functional dependency is a assets of the semantics of the attributes in a relation. The semantics point out how at
i would like to ask if you will do assignment of database number of words 1500 and how much
Sub query in the UPDATE command : Example : //Double the commission for employees, who have got at least 2 increments. UPDATE EMP SET COMM = COMM * 2 WHERE
what should be included in this???
sy bcs project of hospital managment system
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