SNAP_ID | 
NUMBER | 
NOT NULL | 
Unique snapshot ID | 
DBID | 
NUMBER | 
NOT NULL | 
Database ID for the snapshot | 
INSTANCE_NUMBER | 
NUMBER | 
NOT NULL | 
Instance number for the snapshot | 
QUEUE_SCHEMA | 
VARCHAR2(30) | 
NOT NULL | 
Owner of the queue | 
QUEUE_NAME | 
VARCHAR2(30) | 
NOT NULL | 
Name of the queue | 
STARTUP_TIME | 
DATE | 
NOT NULL | 
Startup time of the instance | 
QUEUE_ID | 
NUMBER | 
NOT NULL | 
ID of the queue | 
NUM_MSGS | 
NUMBER | 
  | 
Total number of outstanding messages currently enqueued in the buffered queue for the subscriber (includes the count of the messages overflowed to disk) | 
SPILL_MSGS | 
NUMBER | 
  | 
Current number of overflow messages spilled to disk from the buffered queue | 
CNUM_MSGS | 
NUMBER | 
  | 
Cumulative total number of messages enqueued into the buffered queue since the buffered queue was created. | 
CSPILL_MSGS | 
NUMBER | 
  | 
Cumulative total number of overflow messages spilled to disk from the buffered queue since the buffered queue was created |