V$ENQUEUE_STAT displays statistics on the number of enqueue (lock) requests for each type of lock.
| Column | Datatype | Description | 
|---|---|---|
| INST_ID | NUMBER | ID of the instance | 
| EQ_TYPE | VARCHAR2(2) | Type of enqueue requested | 
| TOTAL_REQ# | NUMBER | Total number of enqueue requests or enqueue conversions for this type of enqueue | 
| TOTAL_WAIT# | NUMBER | Total number of times an enqueue request or conversion resulted in a wait | 
| SUCC_REQ# | NUMBER | Number of times an enqueue request or conversion was granted | 
| FAILED_REQ# | NUMBER | Number of times an enqueue request or conversion failed | 
| CUM_WAIT_TIME | NUMBER | Total amount of time (in milliseconds) spent waiting for the enqueue or enqueue conversion |