ORA Database Error Messages ORA-01644: tablespace ‘string’ is already read only June 10, 2015 mpbod ORA-01644: tablespace ‘string’ is already read only Cause: Attempting to make tablespace read only that is already read only. Action: Leave tablespace read only, or make read write then make read only again. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)