title: Use Not Exist Instead of Not IN -
body: <p>I want to use NOT EXIST with below query instead of NOT IN.</p>
  
  <p><code>Select * From Currencymaster Where Currencycode Not In ('USD');</code></p>
  
  <p>I tried to write it like this:</p>
  
  <p><code>Select currencycode from currencymaster where not exists (select currencycode from currencymaster where currencycode='USD');</code></p>
  
  <p>I am not sure whether this is correct. Because its not giving me any result.</p>
  
  <p>Please verify or guide me to rewrite it.
  Thanks</p>