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Oracle® Database Reference 10g Release 2 (10.2) Part Number B14237-02 |
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# V$LOCKED_OBJECT

This view lists all locks acquired by every transaction on the system. It shows which sessions are holding DML locks (that is, TM-type enqueues) on what objects and in what mode.

Column | Datatype | Description
--- | --- | ---
`XIDUSN` | `NUMBER` | Undo segment number
`XIDSLOT` | `NUMBER` | Slot number
`XIDSQN` | `NUMBER` | Sequence number
`OBJECT_ID` | `NUMBER` | Object ID being locked
`SESSION_ID` | `NUMBER` | Session ID
`ORACLE_USERNAME` | `VARCHAR2(30)` | Oracle user name
`OS_USER_NAME` | `VARCHAR2(30)` | OS user name
`PROCESS` | `VARCHAR2(12)` | OS process ID
`LOCKED_MODE` | `NUMBER` | Lock mode