ORA-42000: invalid online redefinition column mapping for table "[string]"."[string]"

Cause: An attempt was made to change the logical structure of a materialized view log, queue table, or a partition by specifying a non-NULL column mapping during online redefinition.

Action: Pass a NULL column mapping parameter.

Error Type: ORA

• Additional information for ORA-42000: invalid online redefinition column mapping for table "[string]"."[string]"42000
Discussions and solutions for Oracle Database Error ORA-42000: invalid online redefinition column mapping for table "[string]"."[string]" Developer anwers for Oracle Database Error ORA-42000: invalid online redefinition column mapping for table "[string]"."[string]" FAQs for ORA-42000: invalid online redefinition column mapping for table "[string]"."[string]" search others tips for ORA-42000: invalid online redefinition column mapping for table "[string]"."[string]"