In the relational database context, it is necessary to define authorizations that provide access to portions of the original relations.
c.View-based access control
d.Both B and C
Both S x and S y send their relations to S Q, which computes the join result.
What is the name of the join Server S y sends relation r y to S x, which computes the join and sends the result to S Q?
d.None of the above
What is the name of join Let r x1 be the set of tuples in r x that server S y can access, and r y1 be the set of tuples in r y that server S x can access?
d.Both B and C
The usage of the allocated resources and services (such as storage, processing, memory, etc.) can be controlled, measured, managed, and reported so both customers and providers can have a clear view over the needs and consumption of the resources.
a.Highly scalable resources
d.Services are measured
Consumers of cloud computing have to provide protection of their clients' data stored at the service provider facility, which in turn requires that the cloud service providers have appropriate certifications per state regulations.
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