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Oracle® Database Reference
10g Release 2 (10.2)

Part Number B14237-01
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V$WAITCLASSMETRIC_HISTORY

V$WAITCLASSMETRIC_HISTORY displays metric values of wait classes for all intervals in the last one hour.

Column Datatype Description
BEGIN_TIME DATE Begin time of the interval
END_TIME DATE End time of the interval
INTSIZE_CSEC NUMBER Interval size (in hundredths of a second)
WAIT_CLASS# NUMBER Wait class number
WAIT_CLASS_ID NUMBER Wait class identifier
AVERAGE_WAITER_COUNT NUMBER Average waiter count
DBTIME_IN_WAIT NUMBER Database time spent in the wait
TIME_WAITED NUMBER Time waited during the interval
WAIT_COUNT NUMBER Number of times waited