7.197 V$ENQUEUE_STATISTICS

V$ENQUEUE_STATISTICS displays statistics on the number of enqueue (lock) requests for each type of lock.

V$ENQUEUE_STATISTICS encompasses V$ENQUEUE_STAT and gives more detailed information (several rows for same enqueues with different reasons).

Column	Datatype	Description
EQ_NAME	VARCHAR2(64)	Name of the enqueue request
EQ_TYPE	VARCHAR2(2)	Type of enqueue requested
REQ_REASON	VARCHAR2(64)	Reason for the enqueue request
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
REQ_DESCRIPTION	VARCHAR2(4000)	Description of the enqueue request
EVENT#	NUMBER	Event number
CON_ID	NUMBER	The ID of the container to which the data pertains. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data

See Also:

"V$ENQUEUE_STAT"