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Oracle® Database Reference
12c Release 1 (12.1)

E17615-23
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V$ENQUEUE_STAT

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
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