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Oracle® Database Reference
10g Release 1 (10.1)

Part Number B10755-01
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V$DATAGUARD_STATUS displays and logs events that would typically be triggered by any message to the alert log or server process trace files.

Column Datatype Description
FACILITY VARCHAR2(24) Facility that encountered the event:
  • Crash Recovery

  • Log Transport Services

  • Log Apply Services

  • Role Management Services

  • Remote File Server

  • Fetch Archive Log

  • Data Guard

  • Network Services

SEVERITY VARCHAR2(13) Severity of the event:
  • Informational - Informational message

  • Warning - Warning message

  • Error - Indicates the process has failed

  • Fatal

  • Control - An expected change in state such as the start or completion of an archival, log recovery, or switchover operation

DEST_ID NUMBER Destination ID number to which the event pertains. If the event does not pertain to a particular destination, then the value is 0.
MESSAGE_NUM NUMBER A chronologically increasing number giving each event a unique number
ERROR_CODE NUMBER Error ID pertaining to the event
CALLOUT VARCHAR2(3) Indicates whether the current entry is a callout event (YES) or not (NO)

A YES value in this column indicates that this event may require the DBA to perform some action. Examine the ERROR_CODE and MESSAGE columns for more information.

A NO value in this column generally corresponds to an INFORMATIONAL or WARNING event which would not require any action by the DBA.

MESSAGE VARCHAR2(256) A text message describing the event