DBA_HIST_FILEMETRIC_HISTORY

DBA_HIST_FILEMETRIC_HISTORY displays the history of file metrics collected in the Workload Repository.

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
`FILEID`	`NUMBER`	`NOT NULL`	File number
`CREATIONTIME`	`NUMBER`	`NOT NULL`	File creation time
`BEGIN_TIME`	`DATE`	`NOT NULL`	Begin time of the interval
`END_TIME`	`DATE`	`NOT NULL`	End time of the interval
`INTSIZE`	`NUMBER`	`NOT NULL`	Interval size (in hundredths of a second)
`GROUP_ID`	`NUMBER`	`NOT NULL`	ID of the group to which the file belongs
`AVGREADTIME`	`NUMBER`	`NOT NULL`	Average file read time
`AVGWRITETIME`	`NUMBER`	`NOT NULL`	Average file write time
`PHYSICALREAD`	`NUMBER`	`NOT NULL`	Number of physical reads
`PHYSICALWRITE`	`NUMBER`	`NOT NULL`	Number of physical writes
`PHYBLKREAD`	`NUMBER`	`NOT NULL`	Number of physical block reads
`PHYBLKWRITE`	`NUMBER`	`NOT NULL`	Number of physical block writes