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What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
Explain hash file organization? Hash functions a) The distribution is uniform Hash functions assign each bucket the similar number of search -key values from the set of a
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
Describe log based recovery The most usably structure for recording data base modification is the LOG the log is a sequence of log records recording all the update activities i
Explain the cartesian product in Database Management System
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
Your friend owns and operates a wholesale shoe business with annual revenues of $5 million dollars. His wholesale business specializes in supplying and supporting retailers with sh
Aggregation : One limitation of the E-R diagram is that they do not permit representation of relationships between relationships. In such a case the relationship along with its ent
Where does view definition stored? A view definition is permanently stored as part of the database.
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