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Where does view definition stored?
A view definition is permanently stored as part of the database.
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Define the term- Actors and Data Stores Actors: An actor is the active object which drives data flow graph by producing or consuming values. Actors are attached to inputs a
composite attribute
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
I need a professional to prepare a database to collect and store basic information. The information can be basic info such as contact details etc. One requirement i have is f
job scheduling for different cubes
Normal 0 false false false EN-US X-NONE X-NONE
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
Objectives After reading this unit you should be able to: Explain storage of databases on hard disks; Discuss the execution of various file Organisation techniques;
In tuple relational calculus P1 → P2 is equivalent to ? A In tuple relational calculus P1→ P2 is equivalent to ¬P1 V P2. (The logical implication expression A B, meaning
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