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Attribute Preservation
This is a easy and obvious necessity that includes preserving all the attributes that were there in the relation that is being decomposed.
Replicating Data One approach that may support efficient access to dissimilar applications as above may be to give access to every of the applications from dissimilar replicate
When are they useful? Justify with an example. The temporary tables are commonly used to support specialized rollups or exact application processing needs. Unlike a permanent t
what is the relationship between receipt and owner entities in computer sales and service company
What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
Discuss the differences among the candidate keys and the primary key of a relation. Give instance to describe your answer? A candidate key is one that can be used as primary ke
Question: In relation to distributed database answer the following questions: (i) Give a brief definition of distributed database. Support your answer with an appropriate di
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:
Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
Describe in brief about DBMS ?
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