Skip Headers
Oracle® Database Reference
11g Release 1 (11.1)

Part Number B28320-01
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Contact Us

Go to previous page
Previous
Go to next page
Next
View PDF

DBA_HIST_SYSTEM_EVENT

DBA_HIST_SYSTEM_EVENT displays historical information on total waits for an event. This view contains snapshots of V$SYSTEM_EVENT.

Column Datatype NULL Description
SNAP_ID NUMBER NOT NULL Unique snapshot ID
DBID NUMBER NOT NULL Database ID for the snapshot
INSTANCE_NUMBER NUMBER NOT NULL Instance number for the snapshot
EVENT_ID NUMBER NOT NULL Identifier of the wait event
EVENT_NAME VARCHAR2(64) NOT NULL Name of the wait event
WAIT_CLASS_ID NUMBER   Identifier of the Class of the Wait Event
WAIT_CLASS VARCHAR2(64)   Name of the Class of the Wait Event
TOTAL_WAITS NUMBER   Total number of waits for the event
TOTAL_TIMEOUTS NUMBER   Total number of timeouts for the event
TIME_WAITED_MICRO NUMBER   Total amount of time waited for the event (in microseconds)
TOTAL_WAITS_FG NUMBER   Total number of waits for the event, from foreground sessions
TOTAL_TIMEOUTS_FG NUMBER   Total number of timeouts for the event, from foreground sessions
TIME_WAITED_MICRO_FG NUMBER   Amount of time waited for the event (in microseconds), from foreground sessions