Type of views-data control, Database Management System

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Type of views:

 Simple views and Difficult Views

Feature

Simple Views

Complex Views

Number of tables

One

One or more

Contain Functions

No

Yes

Contain groups of data

No

Yes

Data Manipulation

IS allowed

Not always

Let us look into some of the examples. To see all the details about existing views in

Oracle:

SELECT* FROM USER_VIEWS;

 


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