1. Create a Database in your system.
2. Create a Table in the database and Insert the data into the table.
3. Show the table before column deletion.
4. Delete a single column from the table.

Right-click the column you want to delete and choose Delete Column from the shortcut menu. If the column participates in a relationship (FOREIGN KEY or PRIMARY KEY), a message prompts you to confirm the deletion of the selected columns and their relationships. Choose Yes

To delete a column, right-click it and select Delete Column from the shortcut menu. If the column is part of a relationship (FOREIGN KEY or PRIMARY KEY), a notice will appear asking you to approve the deletion of the selected columns and their relationships.