What exactly is a stance? How is a perspective defined? Describes whether or not the data specified in a view specification is ever represented in the format provided therein. What happens when a user enters a database through a view?

Oracle 12c: SQL
3rd Edition
ISBN:9781305251038
Author:Joan Casteel
Publisher:Joan Casteel
Chapter1: Overview Of Database Concepts
Section: Chapter Questions
Problem 5HOA: Access path A database table is composed of records and fields hold data. Data is stored in records....
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What exactly is a stance? How is a perspective defined? Describes whether or not the data specified in a view specification is ever represented in the format provided therein. What happens when a user enters a database through a view?

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