Oracle8i Reference
Release 2 (8.1.6)

Part Number A76961-01

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Dynamic Performance (V$) Views, 176 of 179


V$TRANSACTION_ENQUEUE

V$TRANSACTION_ENQUEUE displays locks owned by transaction state objects.

Column  Datatype  Description 

ADDR 

RAW(4) 

Address of lock state object 

KADDR 

RAW(4) 

Address of lock 

SID 

NUMBER 

Identifier for session holding or acquiring the lock 

TYPE 

VARCHAR2(2) 

Type of lock. TX = transaction enqueue.  

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 


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