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View

View is nothing but parsed SQL statement which fetches record at the time of execution.

There are mainly two types of views

  1. Simple View
  2. Complex View

Also

  1. Updatable Views
  2. Read only Views.


Finally we have Materialized Views.

View is used for the purposes as stated below:

  1. Security
  2. Faster Response
  3. Complex Query solve


Syntax is:

CREATE or REPLACE view ([olumn1] [column2]...)

AS

SELECT column1 column2...

FROM tablename

[WHERE condition]

[WITH read only] [WITH check option]

IT Notes

by VinodSebastian



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