title: mySQL field with a dashed line under it.?
body: <p>can anyone please explane what does that dashed line stands for
  i am using phpmyadmin</p>
  
  <p>field are</p>
  
  <p>name          type          NULL     default</p>
  
  <p>longtitude      float           No      0.001<br>
  latitude    float           No  0.001       </p>
  
  <p>thank you.</p>