2nd April 2013, 11:56 AM
Views in database management system pdf free download
- Base Relation :- Named relation corresponding to an entity in conceptual schema, whose tuples are physically stored in database.
- View :-Dynamic result of one or more relational operations operating on base relations to produce another relation.
- A virtual relation that does not necessarily actually exist in the database but is produced upon request, at time of request.
- Contents of a view are defined as a query on one or more base relations.
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