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Oracle9i Database Reference
Release 2 (9.2)

Part Number A96536-02
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DBA_LOCK

DBA_LOCK lists all locks or latches held in the database, and all outstanding requests for a lock or latch.

Column Datatype NULL Description

SESSION_ID

NUMBER

Session holding or acquiring the lock

LOCK_TYPE

VARCHAR2(26)

Lock type

See Also: For a listing of lock types, see Appendix B, "Oracle Enqueue Names"

MODE HELD

VARCHAR2(40)

Lock mode

MODE REQUESTED

VARCHAR2(40)

Lock mode requested

LOCK_ID1

VARCHAR2(40)

Type-specific lock identifier, part 1

LOCK_ID2

VARCHAR2(40)

Type-specific lock identifier, part 2

LAST_CONVERT

NUMBER

The last convert

BLOCKING_OTHERS

VARCHAR2(40)

Whether the lock is currently blocking others