DBMS_FLASH_ARCHIVE.DROP_APPLICATION

The same application name can be present multiple times

SQL> select * from sys_fba_app where appname = 'TQ84_FBA_DEMO_APP';

APPNAME                 APP#    FA#    FLAGS    SPARE
____________________ _______ ______ ________ ________
TQ84_FBA_DEMO_APP          5      1        0
TQ84_FBA_DEMO_APP          6      1        0
TQ84_FBA_DEMO_APP          7      1        0

SQL> exec sys.dbms_flashback_archive.drop_application('TQ84_FBA_DEMO_APP');

SQL> select * from sys_fba_app where appname = 'TQ84_FBA_DEMO_APP';

APPNAME                 APP#    FA#    FLAGS    SPARE
____________________ _______ ______ ________ ________
TQ84_FBA_DEMO_APP          6      1        0
TQ84_FBA_DEMO_APP          7      1        0

-- Lowercase!
SQL> exec sys.dbms_flashback_archive.drop_application('tq84_fba_demo_app');
-- ORA-55650: application not registered for flashback archive

SQL> exec sys.dbms_flashback_archive.drop_application('TQ84_FBA_DEMO_APP');

SQL> select * from sys_fba_app where appname = 'TQ84_FBA_DEMO_APP';

APPNAME                 APP#    FA#    FLAGS    SPARE
____________________ _______ ______ ________ ________
TQ84_FBA_DEMO_APP          7      1        0

SQL> exec sys.dbms_flashback_archive.drop_application('TQ84_FBA_DEMO_APP');

no rows selected