To create a new view in a database, you use the CREATE VIEW statement. Here’s the basic syntax of the CREATE VIEW statement: CREATE VIEW view_name AS defining- query ; Code language: SQL (Structured Query Language) ( sql )

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 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.

The following sections explain how to create, replace, and drop views using SQL commands. Creating Views . Suppose we have EMP and DEPT table. To see the empno, ename, sal, deptno, department name and location we have to give a join query like this. select e.empno,e.ename,e.sal,e.deptno,d.dname,d.loc From emp e, dept d where e.deptno=d.deptno;

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 · 1. Creating a View in Oracle PL/SQL. In PL/SQL, creating a view is achieved using the CREATE VIEW statement, which allows us to define a virtual table based on the results of a query. Example: Creating a Simple View. Let's understands with an example using our "employee" table: CREATE VIEW employee_view AS

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).

Apr 25, 2014 · In Oracle, to retrieve the SQL used to create a Function, Package, etc, the user_source view can be queried. However, views are not included in this view - nor do they exist in the underlying sys.source$.

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,... For example, to create a view that displays all employees in the sales department, you use the following statement:

By definition, a view is a “virtual” table whose data is the result of a stored query, which is derived each time you run a query against view. A view is a virtual table because you can use it like a table in your SQL statements.