Asked by: Eleuteria Olivar
technology and computing databases

What is the difference between view and table?

Last Updated: 12th April, 2020

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The difference between a view and atable is that views are definitions built on top of othertables (or views), and do not hold data themselves. If data ischanging in the underlying table, the same change isreflected in the view. A view can be built on top ofa single table or multiple tables.

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Furthermore, is view better than table?

A table contains data, a view is just aSELECT statement which has been saved in the database (moreor less, depending on your database). The advantage of aview is that it can join data from several tablesthus creating a new view of it.

Similarly, can we update a view? Restrictions on Updating Data Through Views. Ifthe view contains joins between multiple tables, youcan only insert and update one table in the view,and you can't delete rows. You can't directly modifydata in views based on union queries. You can't modify datain views that use GROUP BY or DISTINCT statements.

Furthermore, what is a view in a table?

In SQL, a view is a virtual table based onthe result-set of an SQL statement. A view contains rows andcolumns, just like a real table. The fields in a vieware fields from one or more real tables in thedatabase.

What are the advantages of views in SQL?

The following are advantages of using databaseviews.

  • A database view allows you to simplify complex queries: adatabase view is defined by an SQL statement that associates withmany underlying tables.
  • A database view helps limit data access to specific users.
  • A database view provides extra security layer.

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