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The _____________ layer, which provides a high-level view of data and actions on data.

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The _____________ layer, which provides a high-level view of data and actions on data.

(a) Business logic

(b) Presentation

(c) User interaction

(d) Data access

I have been asked this question in semester exam.

My question is from Application Architectures topic in division Database Programming Techniques of Database Management

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The correct answer is (a) Business logic

Easiest explanation - The single application may have several different versions of this layer, corresponding to distinct kinds of interfaces such as Web browsers, and user interfaces of mobile phones, which have much smaller screens.

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