How to use ALTER VIEW Statement In SQL
Another method to rename the column in view is by using the ALTER VIEW statement. Although, this is used less as compared to Recreating the view because it requires the view to be in a alterable state.
Here’s an example showing the use of ALTER VIEW statement to alter the view:
-- Modify the view
ALTER VIEW sales_view AS
SELECT prod_code AS coupon_code,
prod_name,
prod_price
FROM products_data;
SELECT * FROM sales_view;
Output:
|
coupon_code |
prod_name |
prod_price |
|---|---|---|
|
103 |
Laptop |
50.00 |
|
102 |
TV |
75.00 |
|
103 |
Smartphone |
100.00 |
Here, ALTER VIEW statement will modify the ‘sales_view’ by changing the column named ‘prod_code’ to ‘coupon_code’. Content of the altered view is displayed.
How to Rename a Column in View in PL/SQL?
Renaming a column in a view can be a challenging task in PL/SQL, as the language does not provide a direct command for this operation. However, there are several effective methods to achieve this goal without compromising data integrity or the structure of the view.
In This article, we will explore three key approaches for recreating the view, using the ALTER VIEW statement, and using a temporary view. Through detailed examples and explanations for learn how to rename a column in a view in PL/SQL efficiently and effectively.