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Oracle® Database Reference
11g Release 2 (11.2)

E40402-15
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DBA_HIST_SERVICE_WAIT_CLASS

DBA_HIST_SERVICE_WAIT_CLASS displays the history of wait class information for services as tracked by the Workload Repository. This view contains information from V$SERVICE_WAIT_CLASS.

Column Datatype NULL Description
SNAP_ID NUMBER   Unique snapshot ID
DBID NUMBER   Database ID for the snapshot
INSTANCE_NUMBER NUMBER   Instance number for the snapshot
SERVICE_NAME_HASH NUMBER   Hash of the service name
SERVICE_NAME VARCHAR2(64)   Name of the service
WAIT_CLASS_ID NUMBER   Identifier for the class of the wait event
WAIT_CLASS VARCHAR2(64)   Name for the class of the wait event
TOTAL_WAITS NUMBER   Total number of waits for this event
TIME_WAITED NUMBER   Total amount of time waited for this event (in hundredths of a second)