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⟩ Explain Partitioned view?

Partitioned view joins the horizontally portioned data. This data may belong to one ore more servers. It makes the data appear as one table. A portioned view can either be local or distributed. A local portioned view resides on the same instance of the SQL server while the distributed may reside on a different server.

Syntax:

The view is then created by UNIONing all the tables and an updateable partitioned View results

Server 1 :

CREATE TABLE Customer1 (CustomerID INTEGER PRIMARY KEY CHECK (CustomerID BETWEEN 1 AND 32999), ... -- Additional column definitions)

Similar tables created for Server 2 and 3

Partitioned view for server 1

CREATE VIEW Customers AS

SELECT * FROM CompanyDatabase.TableOwner.Customer1

UNION ALL

SELECT * FROM Server2.CompanyDatabase.TableOwner.Customer2

UNION ALL

SELECT * FROM Server3.CompanyDatabase.TableOwner.Customer3

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