Hi, I am trying to update a field, in rows, in an existing table, with the contents of a field from another table, and can't get past this error.. ora-01407: cannot update ("GEMMS"."CM_CMPT_DTL"."CMPNT_COST") to NULL.
This is the SQL:
update cm_cmpt_dtl a
set a.cmpnt_cost =
(select...