ORA-28558: HS_FDS_CONNECT_STRING undefined for non-Oracle system
Cause: A database link to a non-Oracle system had no HS_FDS_CONNECT_STRING initialization parameter in the ORACLE server''s data dictionary for Heterogeneous Services. Without this parameter, the connection could not be completed.
Action: Contact your DBA to verify correct setup of an HS_FDS_CONNECT_STRING entry in the ORACLE Heterogeneous Services data dictionary.
Error Type: ORA