1* alter trigger "BIN$FFRO1R1LSuSIZ6uyLocD6g==$0" rename to WFNOTIFICATION_GEN_PK
SQL> /
alter trigger "BIN$FFRO1R1LSuSIZ6uyLocD6g==$0" rename to WFNOTIFICATION_GEN_PK
*
ERROR at line 1:
ORA-38301: can not perform DDL/DML over objects in Recycle Bin

SQL> purge recyclebin;

Recyclebin purged.

SQL> create table t (v integer);

Table created.

SQL> create or replace trigger trg before insert on t 
  2  for each row
  3  begin
  4    dbms_output.put_line('Inserting '||:new.v);
  5  end;
  6  /

Trigger created.

SQL> select object_name, original_name, type from recyclebin;

no rows selected

SQL> drop table t;

Table dropped.

SQL> col original_name format a13
SQL> select object_name, original_name, type from recyclebin;
OBJECT_NAME                    ORIGINAL_NAME TYPE
------------------------------ ------------- -------------------------
BIN$5mEZGERISoy8hSEw2UUouA==$0 T             TABLE
BIN$hVGh2OiPQO6h2sN7Pqii4g==$0 TRG           TRIGGER

2 rows selected.

SQL> flashback table t to before drop;

Flashback complete.

SQL> select object_name, original_name, type from recyclebin;

no rows selected

SQL> select trigger_name from user_triggers where table_name='T';
TRIGGER_NAME
------------------------------
BIN$hVGh2OiPQO6h2sN7Pqii4g==$0

1 row selected.

SQL> drop table t;

Table dropped.

SQL> purge recyclebin;

Recyclebin purged.

SQL> create table t (v integer);

Table created.

SQL> create or replace trigger trg before insert on t
  2  begin
  3    error
  4  end;
  5  /

Warning: Trigger created with compilation errors.

SQL> drop table t;

Table dropped.

SQL> select object_name, original_name, type from recyclebin;
OBJECT_NAME                    ORIGINAL_NAME TYPE
------------------------------ ------------- -------------------------
BIN$+wNqPX8kTtKspfUWk8W50Q==$0 T             TABLE
BIN$6Fo4oLpxT82556aUePrBsg==$0 TRG           TRIGGER

2 rows selected.

SQL> flashback table t to before drop;

Flashback complete.

SQL> select object_name, original_name, type from recyclebin;

no rows selected

SQL> select trigger_name from user_triggers where table_name='T';
TRIGGER_NAME
------------------------------
BIN$6Fo4oLpxT82556aUePrBsg==$0

1 row selected.

SQL> @v

Version Oracle : 10.2.0.4.0