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Oracle9i Database Reference
Release 2 (9.2)

Part Number A96536-02
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V$STREAMS_CAPTURE

V$STREAMS_CAPTURE displays information about each capture process.

Column Datatype Description

SID

NUMBER

Session identifier of the capture process

SERIAL#

NUMBER

Session serial number of the capture process session

CAPTURE#

NUMBER

Capture process number. A capture process is an Oracle background process, prefixed by cp.

CAPTURE_NAME

VARCHAR2(30)

Name of the capture process

STARTUP_TIME

DATE

Time when the capture process was last started

STATE

VARCHAR2(17)

State of the capture process:

  • INITIALIZING
  • CAPTURING CHANGES
  • EVALUATING RULE
  • ENQUEUING MESSAGE
  • SHUTTING DOWN
  • CREATING LCR

TOTAL_MESSAGES_CAPTURED

NUMBER

Total changes captured since the capture process was last started

CAPTURE_TIME

DATE

Time when the most recent message was captured

CAPTURE_MESSAGE_NUMBER

NUMBER

Number of the most recently captured message

CAPTURE_MESSAGE_CREATE_TIME

DATE

Creation time of the most recently captured message

TOTAL_MESSAGES_ENQUEUED

NUMBER

Total number of messages enqueued since the capture process was last started

ENQUEUE_TIME

DATE

Time when the last message was enqueued

ENQUEUE_MESSAGE_NUMBER

NUMBER

Number of the last enqueued message

ENQUEUE_MESSAGE_CREATE_TIME

DATE

Creation time of the last enqueued message

ELAPSED_CAPTURE_TIME

NUMBER

Elapsed time (in hundreths of a second) scanning for changes in the redo log since the capture process was last started

ELAPSED_RULE_TIME

NUMBER

Elapsed time (in hundreths of a second) evaluating rules since the capture process was last started

ELAPSED_ENQUEUE_TIME

NUMBER

Elapsed time (in hundreths of a second) enqueuing messages since the capture process was last started

ELAPSED_LCR_TIME

NUMBER

Elapsed time (in hundreths of a second) creating logical change records (LCRs) since the capture process was last started


Note:

The ELAPSED_CAPTURE_TIME, ELAPSED_RULE_TIME, ELAPSED_ENQUEUE_TIME, and ELAPSED_LCR_TIME columns are only populated if the TIMED_STATISTICS initialization parameter is set to true, or if the STATISTICS_LEVEL initialization parameter is set to TYPICAL or ALL.