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![Oracle ALTER TABLE Command: Complete Guide [2023]](https://blog.devart.com/wp-content/uploads/2021/09/alter-modify-column-1024x789-1-1024x789.png "Oracle ALTER TABLE Command: Complete Guide [2023]")
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![Adding Modifying Column[Oracle] - Exercise](https://www.relationaldbdesign.com/oracle-sql/module7/images/test-column2.gif "Adding Modifying Column[Oracle] - Exercise")