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What is recovery management component?
Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather
List some instances of collection types? a) sets b) arrays c) multisets
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
want a idea for final year project
Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used
design a generalization specialization hierarchy for a motor vehicle sales company. the company sells motorcycles, passenger cars, vens and buses.
Where does view definition stored? A view definition is permanently stored as part of the database.
What is advantage of two-way association? Two-way association advantages are following: a) Independent of the classes. b) Useful for existing predefined classes that are
Define Specialisation and generalization in brief? Specialisation / generalization: Generalization or Specialization represents the is a relationship set, an necessary element
The JOIN operation is applied on two relations. When we want to choose related tuples from two given relation join is used. The join operation need that both the joined relations m
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