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Oracle® Database Reference
11g Release 1 (11.1)

Part Number B28320-01
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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