Alter Table Drop A Column

Syntax

To DROP A COLUMN in an existing table, the Oracle ALTER TABLE syntax is:

ALTER TABLE table_name  DROP COLUMN column_name;

Example

Let’s look at an example that shows how to drop a column in an Oracle table using the ALTER TABLE statement.

For example:

ALTER TABLE customers  DROP COLUMN customer_name;

This Oracle ALTER TABLE example will drop the column called customer_name from the table called customers.