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Saving Derived Attributes to Avoid Re-computation
Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define new classes and objects and these derived classes must be updated if any of the base objects is changed.
A TDMS project plan is not a typical Information Technology project plan; therefore, a traffic data project has several unique characteristics: Traffic data management system
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
FitAll Ltd is a company that manufactures clothes. Its processes are manual and there are stand-alone Information Systems that aid to manage them. The Information Systems were purc
List some instances of collection types? a) sets b) arrays c) multisets
Which is another name for weak entity? Child is another name of weak entity.
I want to fragment existing table using java code... help me..!!
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
3 assignments combined in 1
Dependency Preservation It is obvious that the decomposition must be lossless so that we do not lose any information from the relation that is decomposed. Dependency preservati
Question: a) There are three concurrency problems, i.e. three types of potential mistake which could occur if concurrency control is not properly enforced in the database syst
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