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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
(a) Why did SAP introduce the extended star schema?
I want a script that will run, and update my virtual machine's LAN settings (proxy server and port), and also re-configure the Firefox User Agent. I want a script that will run,
Object-oriented decompositions Object-oriented decompositions of systems better are able to cope with change. Each subsystem has a well-defined interface which communicates with
When are two schedules said to be view equivalent? Ans: Two schedules that is denoted as S and S' are said to be view equivalent if the subsequent three conditions are met
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
Explain view in RDBMS? View - A view is a relation (virtual rather than base) and could be used in query expressions, which is, queries can be written by using the view as a re
What do you mean by atomicity and aggregation? Atomicity : Either all actions are carried out or none are. Users should not have to worry about the effect of incomplete trans
How external/conceptual mapping and conceptual /internal mapping is performed
explain cascading rollback
explain thee diffrent types of data models
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