Use the CREATE VIEW statement to define a view, which is a logical table based on one or more tables or views. A view contains no data itself. The tables upon which a view is based are called base tables.

Summary: in this tutorial, you will learn how to use the Oracle CREATE VIEW statement to create a new view in the database. Oracle CREATE VIEW syntax # To create a new view in a database, you use the following Oracle CREATE VIEW statement: CREATE [OR REPLACE] VIEW view_name [(column_aliases)] AS defining-query [WITH READ ONLY] [WITH CHECK ...

In SQL, a view is a virtual table based on the result-set of an SQL statement. A view contains rows and columns, just like a real table. The fields in a view are fields from one or more real tables in the database. You can add SQL statements and functions to a view and present the data as if the data were coming from one single table.

Oct 24, 2024 · In this article, we will look into the concept of views in PL/SQL, including how to create, update, and drop views, with practical examples to illustrate each operation. What are Views in Oracle PL/SQL? A PL/SQL view is a virtual table produced by a stored query. Unlike the real tables that hold the data, views never save data by themselves.

This section covers Oracle View which is an essential component in Oracle Database. Introduction to the Oracle View. The result of a query is a derived table as shown in the following example: SELECT name, credit_limit FROM customers; Code …

Mar 9, 2009 · For this reason, a view is sometimes called a named query or a stored query. To create a view, you use the SQL syntax: CREATE OR REPLACE VIEW <view_name> AS SELECT <any valid select query>;

This Oracle explains how to create, update, and drop Oracle VIEWS with syntax and examples. An Oracle VIEW, in essence, is a virtual table that does not physically exist. Rather, it is created by a query joining one or more tables.

Use the CREATE VIEW statement to define a view, which is a logical table based on one or more tables or views. A view contains no data itself. The tables upon which a view is based are called base tables.

In essence, a view is a stored query. You can create views using the CREATE VIEW statement. Each view is defined by a query that references tables, materialized views, or other views. You can also create join views that specify multiple base tables or views in the FROM clause.

In essence, a view is a stored query. This script creates a simple view, replaces the view with a modified view, and drops the view. It also queries the view after it is created and replaced. Create a view on a subset of data in the hr.departments table. The view shows the departments at headquarters (department_id=1700).