5.73 DBA_HIST_SYSMETRIC_SUMMARY

DBA_HIST_SYSMETRIC_SUMMARY displays a history of statistical summary of all metric values in the System Metrics Long Duration group.

This view contains snapshots of V$SYSMETRIC_SUMMARY.

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
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	Group ID
METRIC_ID	NUMBER	NOT NULL	Metric ID
METRIC_NAME	VARCHAR2(64)	NOT NULL	Metric name
METRIC_UNIT	VARCHAR2(64)	NOT NULL	Unit of measurement
NUM_INTERVAL	NUMBER	NOT NULL	Number of intervals observed
MINVAL	NUMBER	NOT NULL	Minimum value observed
MAXVAL	NUMBER	NOT NULL	Maximum value observed
AVERAGE	NUMBER	NOT NULL	Average over the period
STANDARD_DEVIATION	NUMBER	NOT NULL	One standard deviation
SUM_SQUARES	NUMBER		Sum of the squared deviations from the mean
CON_DBID	NUMBER		The database ID of the PDB for the sampled session
CON_ID	NUMBER		The ID of the container that CON_DBID identifies. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data

See Also:

• "V$SYSMETRIC_SUMMARY"

• "DBA_HIST_CON_SYSMETRIC_SUMM"

• "V$CON_SYSMETRIC_SUMMARY"