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Describe the algorithm for updating indices for a single level index when a record is
(i) Inserted (ii) deleted
What will be the modification if there are multilevel indices?
Ans: Inserted: The time it acquires to insert a new data item. This value involves the time it takes to find out the correct place to insert the new data item, also the time it takes to update the index structure.
Deleted: The time it receives to delete a data item. This value involves the time it takes to find the item to be deleted, also the time it takes to update the index structure.
Define deadlock avoidance. An alternative method for avoiding deadlocks is to needs additional information about how resources are to be requested. Each request requires the s
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Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Determine the Derived attribute to avoid re-computation Each class box consists of an ordered list of attributes and operations, each represented as a next string. We can find
We are looking to find someone to prepare a database which improves upon the one we are using at present. The present database will be found here: Click on filter options and yo
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