title: i have tow table which contain on same column like UserID. How to get all row by subquery
body: <p>i have tow table which contain on same column like UserID</p>
  
  <pre>
  1. employee 
  --------------------------------------------------------
  id     UserID       Name         Description
  1      username1    fullName1   employee Description1
  2      username2    fullName2   employee Description2
  --------------------------------------------------------
  
  2. user_info
  --------------------------------------------------------
  id     UserID       password
  1      username1     password1
  2      username2     password2
  
  --------------------------------------------------------
  </pre>
  
  <p>I have user_info data. I want to employee table row according to user_info data By "Subquery"
  just i want to use subquery syntax</p>