Friday, November 6, 2009

V$DATABASE_INCARNATION


V$DATABASE_INCARNATION displays information about all database incarnations. Oracle creates a new incarnation whenever a database is opened with the RESETLOGS option. Records about the current and immediately previous incarnation are also contained in the V$DATABASE view.
Column
Datatype
Description
INCARNATION#
NUMBER
Record ID for the branch record in the control file
RESETLOGS_CHANGE#
NUMBER
Resetlogs system change number (SCN) for the incarnation of the current row
RESETLOGS_TIME
DATE
Resetlogs timestamp for the incarnation of the current row
PRIOR_RESETLOGS_CHANGE#
NUMBER
Resetlogs SCN for the previous incarnation
PRIOR_RESETLOGS_TIME
DATE
Resetlogs timestamp for the previous incarnation
STATUS
VARCHAR2(7)
Incarnation status:
  • ORPHAN - Orphan incarnation
  • CURRENT - Current incarnation of the database
  • PARENT - Parent of the current incarnation
RESETLOGS_ID
NUMBER
Branch ID for the incarnation of the current row (used by user-managed recovery/RMAN restore to get unique names for archived logs across incarnations)
PRIOR_INCARNATION#
NUMBER
Parent incarnation record ID if nonzero
FLASHBACK_DATABASE_ALLOWED
VARCHAR2(26)
Indicate whether or not Flashback Database can be performed into SCNs or timestamps in the incarnation. A value of YES means that you can flashback to some point in that incarnation. A value of NO indicates that you cannot flashback into the incarnation.

Oracle data dictionary views


Last updated: 2009-11-05 Thursday

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