“Cowards die many times before their deaths; the valiant never taste of death but once.”
- William Shakespeare
A view is a virtual table.
A view may define a subset of columns
A view can even define a subset of rows if it has a WHERE clause
A view never duplicates data or stores the data separately
View definitions are stored in the Data Dictionary, not the user's space
Views provide security
An additional level of security is provided.
Helps the business user not miss join conditions.
Help control read and update privileges.
Unaffected when new columns are added to a table.
Unaffected when a column is dropped unless its referenced in the view.
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