V$TRANSACTION_ENQUEUE displays locks owned by transaction state objects.
| 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. TX indicates 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: 
 | 
| REQUEST | NUMBER | Lock mode in which the process requests the lock: 
 | 
| CTIME | NUMBER | Time since current mode was granted | 
| BLOCK | NUMBER | The lock is blocking another lock |