title: How can i set the size of rows , columns in textField in Django Models
body: <p>I have this Model</p>
  
  <pre><code>summary         = models.TextField()
  </code></pre>
  
  <p>But I want to have only  4 rows and 15 columns.</p>
  
  <p>Also if I do that do I need to install database again or not.</p>