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What is multiplicity in the associations? Give an example to explain multiplicity? Multiplicity in association indicate number of objects participate in any relationship. For
State the Design of Associations Before designing associations, it is essential to know the way they are used. For this, analysis of association traversals is required. It is
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
Describe sequential file organization. Explain the rules for (i) Inserting a new record. (ii) Deleting an existing record. Ans:A sequential f
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
DROP TABLE Command: When an existing object is not needed for further use, it is always better to eliminate it from the database. To remove the existing object from the databas
Explain recovery process after system failure using checkpoint. Ans: Checkpoint scheme or method is an extra component of the log based recovery system. This scheme is used to
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
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