title: I want to update next month employee salary table to current table
body: <p>Hi I have current salary table callsed jan, columns are employeename, employeeid and Jansalary. I have to update Feb salary to January table. my code is:</p>
  
  <pre><code>update jan 
  set jan.salary=feb.salary
  
  from jan
  inner join feb
  on feb.employeeid=jan.employeeid
  </code></pre>
  
  <p>my question is if feb have new employee salary data, should I use right join?</p>