ORA Database Error Messages ORA-14026: PARTITION and CLUSTER clauses are mutually exclusive August 25, 2015 mpbod ORA-14026: PARTITION and CLUSTER clauses are mutually exclusive Cause: definition of a table contained both PARTITION and CLUSTER clauses which is illegal Action: Remove one of the conflicting clauses Back to previous menu 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)