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what is data link layer
why shadow copy technique is used?
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Architectural standard: Designation : Architect , Consultant Job Profile : As a part of Oracle Fusion Middleware at Satyam, I am involved with Presales, Delivery, 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:
The scenario You have been approached to design and implement a prototype of a distributed information system for a national car part retail outlet chain. The company comprises
Define the concept of aggregation. Give two examples where this concept is useful. Ans: Aggregation transforms a relationship among the objects into a higher-level object. A
Explain the Functional Mode with help of an example. Functional Model The functional model shows a computation and functional derivation of data values in it without ind
Define Sequence A sequence is a set of integers 1, 2, 3 that are generated in order on demand. Sequences are regularly used in databases because lots of applications require ev
What is known as fudge factor? The number of partitions is enhanced by a small value called the fudge factor, which is usually 20 percent of the number of hash partitions compu
Describe Object Relational model ? Object Relational Model - This model combines the characteristics of both relational model and object oriented model. It extends the tradit
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