What is views and its types?
- What is view and types of views in DBMS?
- How many types of views are there?
- What are views explain?
- What is a view in DBMS?
What is view and types of views in DBMS?
There are two types of database views: dynamic views and static views. Dynamic views can contain data from one or two tables and automatically include all of the columns from the specified table or tables. Dynamic views are automatically updated when related objects or extended objects are created or changed.
How many types of views are there?
There are total four types of views, based on the way in which the view is implemented and the methods that are permitted for accessing the view data. They are - Database Views, Projection Views, Maintenance Views, and Helps Views,.
What are views explain?
A view is a subset of a database that is generated from a user query and gets stored as a permanent object. In a structured query language (SQL) database, for example, a view becomes a type of virtual table with filtered rows and columns that mimic those of the original database.
What is a view in DBMS?
Views are some kind of virtual tables created by original tables from the database. Views actually do not hold the actual data and just have the definition of the original data. Views act as a proxy or virtual table created from the original table. The view has two primary purposes: Simplifying complex SQL queries.
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