ORA Database Error Messages ORA-02457: The HASH IS option must specify a valid column June 19, 2015 mpbod ORA-02457: The HASH IS option must specify a valid column Cause: The HASH IS column name is not specified in the cluster definition. Action: Specify a valid column name. 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)