Trigger Oracle PLSQL

SQL>
SQL>
SQL> CREATE TABLE ddl_creations (
  2    user_id       VARCHAR2(30),
  3    object_type   VARCHAR2(20),
  4    object_name   VARCHAR2(30),
  5    object_owner  VARCHAR2(30),
  6    creation_date DATE);
Table created.
SQL>
SQL> CREATE OR REPLACE TRIGGER LogCreations
  2    AFTER CREATE ON DATABASE
  3  BEGIN
  4    INSERT INTO ddl_creations (user_id, object_type, object_name,
  5                               object_owner, creation_date)
  6      VALUES (USER, SYS.DICTIONARY_OBJ_TYPE, SYS.DICTIONARY_OBJ_NAME,
  7              SYS.DICTIONARY_OBJ_OWNER, SYSDATE);
  8  END LogCreations;
  9  /
Trigger created.
SQL>
SQL> DROP TABLE ddl_creations;
Table dropped.
SQL>
SQL> drop trigger LOGCREATIONS;
Trigger dropped.
SQL>