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Oracle® Database Reference
11g Release 1 (11.1)

B28320-03
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V$ENQUEUE_LOCK

V$ENQUEUE_LOCK displays all locks owned by enqueue state objects. The columns in this view are identical to the columns in V$LOCK.

See Also:

"V$LOCK"
Column Datatype Description
ADDR RAW(4 | 8) Address of lock state object
KADDR RAW(4 | 8) Address of lock
SID NUMBER Identifier for session holding or acquiring the lock
TYPE VARCHAR2(2) Type of lock. Lists user and system types that can have locks.
ID1 NUMBER Lock identifier #1 (depends on type)
ID2 NUMBER Lock identifier #2 (depends on type)
LMODE NUMBER Lock mode in which the session holds the lock:
  • 0 - none

  • 1 - null (NULL)

  • 2 - row-S (SS)

  • 3 - row-X (SX)

  • 4 - share (S)

  • 5 - S/Row-X (SSX)

  • 6 - exclusive (X)

REQUEST NUMBER Lock mode in which the process requests the lock:
  • 0 - none

  • 1 - null (NULL)

  • 2 - row-S (SS)

  • 3 - row-X (SX)

  • 4 - share (S)

  • 5 - S/Row-X (SSX)

  • 6 - exclusive (X)

CTIME NUMBER Time since current mode was granted
BLOCK NUMBER The lock is blocking another lock