Cannot login to SQL*PLUS as SYSDBA By Shadab Mohammad • Mar 16, 2015 • No comments There are scenarios where you cannot login to SQL*PLUS even with SYSDBA credentials to restart a hanged database. There is… Share this:Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on WhatsApp (Opens in new window)