What exactly is a perspective of view? How exactly is an opinion characterised? Does the data that is declared inside a view specification ever show up within the type that is provided within the description? What happens when a user enters a database by using a view as their entry point?

A Guide to SQL
9th Edition
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Philip J. Pratt
Chapter2: Database Design Fundamentals
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What exactly is a perspective of view? How exactly is an opinion characterised? Does the data that is declared inside a view specification ever show up within the type that is provided within the description? What happens when a user enters a database by using a view as their entry point?

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