SQL> desc dba_apply
Name                                      Null?    Type
----------------------------------------- -------- ----------------------------
APPLY_NAME                                NOT NULL VARCHAR2(30)
QUEUE_NAME                                NOT NULL VARCHAR2(30)
QUEUE_OWNER                               NOT NULL VARCHAR2(30)
APPLY_CAPTURED                                     VARCHAR2(3)
RULE_SET_NAME                                      VARCHAR2(30)
RULE_SET_OWNER                                     VARCHAR2(30)
APPLY_USER                                         VARCHAR2(30)
APPLY_DATABASE_LINK                                VARCHAR2(128)
APPLY_TAG                                          RAW(2000)
DDL_HANDLER                                        VARCHAR2(98)
PRECOMMIT_HANDLER                                  VARCHAR2(98)
MESSAGE_HANDLER                                    VARCHAR2(98)
STATUS                                             VARCHAR2(8)
MAX_APPLIED_MESSAGE_NUMBER                         NUMBER
NEGATIVE_RULE_SET_NAME                             VARCHAR2(30)
NEGATIVE_RULE_SET_OWNER                            VARCHAR2(30)
STATUS_CHANGE_TIME                                 DATE
ERROR_NUMBER                                       NUMBER
ERROR_MESSAGE                                      VARCHAR2(4000)