title: how to set auto increment column with sql developer
body: <p>How do I set a column to increment automatically with Oracle SQL Developer? Why is the form disabled?</p>
  
  <p><img src="https://i.stack.imgur.com/fGoDA.png" alt="Oracle SQL Developer"></p>
  
  <p><strong>Note:</strong> The image shows the Data Modeler, but the question and top answer talk about editing an existing database.</p>