DGM-17549
Output document is too long.
Cause
The length of the output document returned by DBMS_DRS.DGPDB_SHOW() exceeded the internal limit.
Action
Query the names of pluggable databases on the multitenant container database using the SHOW PDB command. Then, execute the DGMGRL SHOW PLUGGABLE DATABASE command or DBMS_DRS.DGPDB_SHOW() for each pluggable database.