V$GLOBAL_BLOCKED_LOCKS displays global blocked locks.
| Column | Datatype | Description | 
|---|---|---|
| ADDR | RAW(4 | 8) | Address of lock state object | 
| KADDR | RAW(4 | 8) | Address of lock | 
| SID | NUMBER | Identifier of session holding the lock (number) | 
| TYPE | VARCHAR2(2) | Resource type (char) | 
| ID1 | NUMBER | Resource identifier #1 (number) | 
| ID2 | NUMBER | Resource identifier #2 (number) | 
| LMODE | NUMBER | Lock mode held (number) | 
| REQUEST | NUMBER | Lock mode requested (number) | 
| CTIME | NUMBER | Time since current mode was granted |