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Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
The Proliferation of Object-Oriented Methods The first few years of the 1990s saw blossoming of around fifty various object oriented methods. This proliferation is a sign of g
Developer is required to do a task including: - Database Normalization - Database Analysis - ERM Diagram Details can be provided and then you can change your bid accord
brief history,definition,current trends and future trends if any of data fragmentation
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
Explain the rules for creating a labelled precedence graph for testing view serializability. Ans: A schedule S is view serializable if it is view equivalent to a ser
INSERT INTO command : Values can be inserted for all columns or for the selected columns Values can be given by sub query. In place of values parameter substitution
Which method of access uses key transformation? A Hash method of access uses key transformation.
Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
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