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Oracle® Database Reference 10g Release 2 (10.2) Part Number B14237-02 |
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# 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