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Oracle® Database Reference
11g Release 2 (11.2)

E40402-10
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DBA_HIST_SESSMETRIC_HISTORY

DBA_HIST_SESSMETRIC_HISTORY displays the history of several important session metrics.

Note:

This view is populated only if a session metric exceeds a server metric threshold that was configured using the DBMS_SERVER_ALERT package.
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
SESSID NUMBER NOT NULL Session ID
SERIAL# NUMBER NOT NULL Session serial number
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
VALUE NUMBER NOT NULL Metric Value
METRIC_UNIT VARCHAR2(64) NOT NULL Unit of measurement

See Also:

The DBMS_SERVER_ALERT package in Oracle Database PL/SQL Packages and Types Reference