When I perform the add trandata commands,it reports belows errors, How can I handle it? Wish you can help me now,Thanks a lot. GGSCI (racdb1) 290> add trandata MOE_ODI.E$_XA_ZJ_YS 2013-07-04 12:04:21 WARNING OGG-00869 No unique key is defined for table 'E$_XA_ZJ_YS'. ...