title: Not Equal to Query in 2 different tables
body: <p>I want to Get the location name from location table 
  which is not equal to the id present in user location
  I have following two tables </p>
  
  <p>1) <strong>Master Data</strong></p>
  
  <pre><code>Empno| EmpName | UserLocation
  123456| Sabeeh   | 654
  325641| Arsalan  | 500
  </code></pre>
  
  <p>2) <strong>Locations</strong> </p>
  
  <pre><code>Loc_id| Location 
   654  | Tando Alam
   544  | Dakhni Oil Plant
  </code></pre>
  
  <p>I want an Sql Query For this Problem </p>