What are 5 Advantages of a view?

What are the advantages of view?

Views can provide advantages over tables:Views can represent a subset of the data contained in a table. ... Views can join and simplify multiple tables into a single virtual table.Views can act as aggregated tables, where the database engine aggregates data (sum, average, etc.) ... Views can hide the complexity of data.

What is view give all advantages of view?

A view can draw data from several different tables and present it as a single table, turning multi-table queries into single-table queries against the view. Views can give a user a "personalized" view of the database structure, presenting the database as a set of virtual tables that make sense for that user.

What are the advantages and disadvantages of a view in a database?

What are the advantages and disadvantages of views in a database?Views doesn't store data in a physical location.View can be use to hide some of the columns from the table.Views can provide Access Restriction, since data insertion, update and deletion is not possible on the view.

What is the purpose of a view?

Views are generally used to focus, simplify, and customize the perception each user has of the database. Views can be used as security mechanisms by letting users access data through the view, without granting the users permissions to directly access the underlying base tables of the view.