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Oracle9i Database Reference
Release 2 (9.2)

Part Number A96536-02
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V$TEMPSTAT

This view contains information about file read/write statistics.

Column Datatype Description

FILE#

NUMBER

Number of the file

PHYRDS

NUMBER

Number of physical reads done

PHYWRTS

NUMBER

Number of times DBWR is required to write

PHYBLKRD

NUMBER

Number of physical blocks read

PHYBLKWRT

NUMBER

Number of blocks written to disk, which may be the same as PHYWRTS if all writes are single blocks

SINGLEBLKRDS

NUMBER

Number of single block reads

READTIM

NUMBER

Time (in hundredths of a second) spent doing reads if the TIMED_STATISTICS parameter is true; 0 if false

WRITETIM

NUMBER

Time (in hundredths of a second) spent doing writes if the TIMED_STATISTICS parameter is true; 0 if false

SINGLEBLKRDTIM

NUMBER

Cumulative single block read time (in hundredths of a second)

AVGIOTIM

NUMBER

Average time (in hundredths of a second) spent on I/O, if the TIMED_STATISTICS parameter is true; 0 if false

LSTIOTIM

NUMBER

Time (in hundredths of a second) spent doing the last I/O, if the TIMED_STATISTICS parameter is true; 0 if false

MINIOTIM

NUMBER

Minimum time (in hundredths of a second) spent on a single I/O, if the TIMED_STATISTICS parameter is true; 0 if false

MAXIORTM

NUMBER

Maximum time (in hundredths of a second) spent doing a single read, if the TIMED_STATISTICS parameter is true; 0 if false

MAXIOWTM

NUMBER

Maximum time (in hundredths of a second) spent doing a single write, if the TIMED_STATISTICS parameter is true; 0 if false