title: Declaring variable in PL/SQL when Commit transaction
body: <p>I try to write this transaction in Oracle Developer: </p>
  
  <pre><code>DECLARE @UserID int:
  SET @UserID = 2323;
  
  BEGIN TRANSACTION;
  
  DELETE FROM OWNER.TABLE
  WHERE USER_ID = @UserID;
  
  COMMIT TRANSACTION
  </code></pre>
  
  <p>But <code>int</code> is red - error say about there is no in or out </p>