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Insulation between conceptual and physical structures
It can be defined as:
1. The Database Administrator should be capable to vary the storage structures without affecting users' views.
2. The internal structure of the database should be unaffected by the varies to the physical aspects of the storage, like changing to a new storage device.
3. The DBA should be able to vary the conceptual structure of the database without affecting all users.
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In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
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Determine the minimal set of functional dependencies for the following data. This table is part of the OHSU database of extracurricular activities and tracks the DMICE band's co
List and explain the memory constructs of the Oracle 12c databases?
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The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
I need web security expert , website management Project Description: i want professional for the below . website management server management database management
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