Skip Headers
Oracle® Database Reference
12c Release 1 (12.1)

E17615-24
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Contact Us

Go to previous page
Previous
Go to next page
Next
PDF · Mobi · ePub

DBA_HIST_PERSISTENT_SUBS

DBA_HIST_PERSISTENT_SUBS displays STREAMS AQ persistent queue subscribers historical statistics information. This view contains snapshots of V$PERSISTENT_SUBSCRIBERS.

Column Datatype NULL Description
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(128) NOT NULL Owner of the queue
QUEUE_NAME VARCHAR2(128) NOT NULL Name of the queue
SUBSCRIBER_ID NUMBER NOT NULL Internal subscriber number
SUBSCRIBER_NAME VARCHAR2(128)   Name of the subscriber
SUBSCRIBER_ADDRESS VARCHAR2(1024)   Address of the subscribing agent
SUBSCRIBER_TYPE VARCHAR2(128)   Type of the subscriber:
  • PROXY - Propagation subscriber

  • SUBSCRIBER - Normal subscriber

  • RECIPIENT - Recipient

FIRST_ACTIVITY_TIME TIMESTAMP(6)   First subscriber activity time since database startup
ENQUEUED_MSGS NUMBER   Number of messages enqueued since FIRST_ACTIVITY_TIME
DEQUEUED_MSGS NUMBER   Number of messages dequeued since FIRST_ACTIVITY_TIME
AVG_MSG_AGE NUMBER   Average age of messages in the queue
BROWSED_MSGS NUMBER   Number of messages that have been browsed
EXPIRED_MSGS NUMBER   Number of messages expired since FIRST_ACTIVITY_TIME
DEQUEUED_MSG_LATENCY NUMBER   Last dequeued message latency (in seconds)
LAST_ENQUEUE_TIME TIMESTAMP(6)   Timestamp of the last enqueued message
LAST_DEQUEUE_TIME TIMESTAMP(6)   Timestamp of the last dequeued message
ELAPSED_DEQUEUE_TIME NUMBER   Total time spent in dequeue (in hundredths of a second)
DEQUEUE_CPU_TIME NUMBER   Total CPU time for dequeue (in hundredths of a second)
DEQUEUE_TRANSACTIONS NUMBER   Number of dequeue transactions
EXECUTION_COUNT NUMBER   Number of executions of the dequeue index cursor
CON_DBID NUMBER   The database ID of the PDB for the sampled session
CON_ID NUMBER   The ID of the container that CON_DBID identifies. Possible values include:
  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data