This tutorial shows you step by step how to use the Oracle CREATE VIEW statement to create new views in the database.

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.

How to Create and Manage Views in Oracle with Examples. Performing Insert, Update, Delete on Views.

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.

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.

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).

May 9, 2023 · Starting in Oracle Database 19c (19.7), you no longer have to compromise, as Oracle introduced parameterized views or SQL Table Macros. SQL table macros are expressions found in a FROM clause that acts as a polymorphic or parameterized view.

A PL/SQL view is a virtual table that contains data from one or more tables. PL/SQL Views are used to provide security or simplify complex queries. In this article we have a list of operations that can be performed on PL/SQL Views. To create a view in Oracle database, you use the CREATE VIEW statement as follows: SELECT column1, column2,...

Let’s see how to create, update and drop a view in Oracle. We will be using Employees table from HR schema for these examples: The syntax for creating a view is as follows: Syntax: Here, …

Feb 28, 2024 · Step-by-Step Guide to Creating a View: The CREATE VIEW statement defines a view. It requires two main parts: View Name: This is the name you assign to the view, similar to a table name. SELECT statement: This defines the data retrieved and formatted for the view. CREATE VIEW view_name AS SELECT column1, column2, ... FROM base_table.