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Oracle® Database Reference
12c Release 1 (12.1)

E17615-24
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V$ARCHIVE_GAP

V$ARCHIVE_GAP displays information about archive gaps on a standby database. This view can be used to find out the current archive gap that is blocking recovery for the current recovery incarnation.

Column Datatype Description
THREAD# NUMBER Thread number of the missing archived redo log files. The number is 1 for a single instance. For Real Application Clusters, this column will contain different numbers.
LOW_SEQUENCE# NUMBER Lowest sequence number of the log files received on the standby system
HIGH_SEQUENCE# NUMBER Highest sequence number of the log files received on the standby system
CON_ID NUMBER The ID of the container to which the data pertains. 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