title: what differences SID and Service Name when use Oracle SQLDeveloper?
body: <p>English is not my native please understand</p>
  
  <p>When I try to login like system/password as sysdba to oracle(linux) by sqldeveloper(window)</p>
  
  <p>It fail when through Service Name and return ORA-0131 :insufficient privileges</p>
  
  <p>but SID? successfully passed</p>
  
  <p>what differences? and how to connect with Service Name?</p>