title: Oracle SQL ALTER TABLE error
body: <p>I have code like this:</p>
  
  <pre><code>  ALTER TABLE "VMA_CSDD" ADD CONSTRAINT "VMA_CSDD_PK" PRIMARY KEY ("ID") ENABLE
    ALTER TABLE "VMA_CSDD" MODIFY ("ID" NOT NULL ENABLE)
    ALTER TABLE "VMA_CSDD" MODIFY ("CSDD_NAME" NOT NULL ENABLE)
  </code></pre>
  
  <p><strong>It gives me an error:</strong> </p>
  
  <pre><code>ALTER TABLE "VMA_CSDD" MODIFY ("ID" NOT NULL ENABLE)
  </code></pre>
  
  <blockquote>
    <p>ORA-01735: invalid ALTER TABLE option</p>
  </blockquote>
  
  <p>How do I fix this?</p>