SEQUENCE_ID | 
NUMBER | 
  | 
Alert sequence number | 
REASON_ID | 
NUMBER | 
NOT NULL | 
ID of the alert reason | 
OWNER | 
VARCHAR2(30) | 
  | 
Owner of the object on which the alert was issued | 
OBJECT_NAME | 
VARCHAR2(513) | 
  | 
Name of the object | 
SUBOBJECT_NAME | 
VARCHAR2(30) | 
  | 
Name of the subobject | 
OBJECT_TYPE | 
VARCHAR2(64) | 
  | 
Object type | 
REASON | 
VARCHAR2(4000) | 
  | 
Reason for the alert | 
TIME_SUGGESTED | 
TIMESTAMP(6) WITH TIME ZONE | 
  | 
Time when the alert was last updated | 
CREATION_TIME | 
TIMESTAMP(6) WITH TIME ZONE | 
  | 
Time when the alert was first created | 
SUGGESTED_ACTION | 
VARCHAR2(4000) | 
  | 
Advice of the recommended action | 
ADVISOR_NAME | 
VARCHAR2(30) | 
  | 
Name of the advisor to be invoked for more information | 
METRIC_VALUE | 
NUMBER | 
  | 
Value of the related metrics | 
MESSAGE_TYPE | 
VARCHAR2(12) | 
  | 
Message type:
 | 
MESSAGE_GROUP | 
VARCHAR2(64) | 
  | 
Name of the message group to which the alert belongs | 
MESSAGE_LEVEL | 
NUMBER | 
  | 
Message severity level (1 to 32) | 
HOSTING_CLIENT_ID | 
VARCHAR2(64) | 
  | 
ID of the client or security group to which the alert relates | 
MODULE_ID | 
VARCHAR2(64) | 
  | 
ID of the module that originated the alert | 
PROCESS_ID | 
VARCHAR2(128) | 
  | 
Process ID | 
HOST_ID | 
VARCHAR2(256) | 
  | 
DNS host name of the originating host | 
HOST_NW_ADDR | 
VARCHAR2(256) | 
  | 
IP or other network address of the originating host | 
INSTANCE_NAME | 
VARCHAR2(16) | 
  | 
Originating instance name | 
INSTANCE_NUMBER | 
NUMBER | 
  | 
Originating instance number | 
USER_ID | 
VARCHAR2(30) | 
  | 
User ID | 
EXECUTION_CONTEXT_ID | 
VARCHAR2(60) | 
  | 
ID of the threshold of execution | 
ERROR_INSTANCE_ID | 
VARCHAR2(142) | 
  | 
ID of an error instance plus a sequence number |