DBeaver does not show output from dbms_output.put_line when executing anonymous blocks or stored procedures in Dameng (DM7/DM8).
If your DBMS_OUTPUT.PUT_LINE code is not printing any of your logs or if you are just viewing "anonymous block completed".
Men DBMS_OUTPUT er faktisk en SQL*Plus feature. Men du kan trække din streng ind i en variable med DBMS_OUTPUT.GET_LINE og GET ...