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Changes applied to the data in a relevant underlying table are reflected in the data shown in subsequent invocations of the view.In some No SQL databases, views are the only way to query data.Microsoft SQL Server introduced in its 2000 version indexed views which only store a separate index from the table, but not the entire data.

A view is a relational table, and the relational model defines a table as a set of rows.A view is really nothing more than a logical representation of one or more tables in a database.View offer the following benefits and functionality.However, an INSTEAD OF trigger does not change the read-only or updatable property of the view itself.Various database management systems have extended the views from read-only subsets of data.

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