Anonymous Asked in Cars &Transportation · 2 weeks ago

What is view and its importance?

17 нояб. 2019 г. · Views provide security from unauthorized access to data. Each user is given permission to access the database from a View that contains a .


What is the importance of views?

Importance of Views It also restricts the user from viewing specific columns and rows; Views always represent custom output, which is mentioned in the query and returns that data defined in the query at the time of creation.

What is a view explain it?

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 view and its benefits?

Views can provide advantages over tables: Views can represent a subset of the data contained in a table. Consequently, a view can limit the degree of exposure of the underlying tables to the outer world: a given user may have permission to query the view, while denied access to the rest of the base table.

Why view is important in DBMS?

Views can hide the complexity of the database and the data the user must hide that. Views can act as aggregated tables where aggregated data (sum, average, etc.) are calculated and presented as part of data. Views can provide additional security from unauthorized users and unauthorized access.

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