DBA_HIST_BASELINE displays information on baselines taken in the system. For each baseline, this view displays the complete time range and whether the baseline is the default baseline.
| Column | Datatype | NULL | Description |
|---|---|---|---|
DBID |
NUMBER |
NOT NULL |
Database ID |
BASELINE_ID |
NUMBER |
NOT NULL |
Internal ID for the baseline |
BASELINE_NAME |
VARCHAR2(64) |
User-specified name for the baseline | |
BASELINE_TYPE |
VARCHAR2(13) |
The baseline type, as follows:
|
|
START_SNAP_ID |
NUMBER |
Start snapshot ID for the baseline | |
START_SNAP_TIME |
TIMESTAMP(3) |
Time associated with the start snapshot ID | |
END_SNAP_ID |
NUMBER |
End snapshot ID for the baseline | |
END_SNAP_TIME |
TIMESTAMP(3) |
Time associated with the end snapshot ID | |
MOVING_WINDOW_SIZE |
NUMBER |
If BASELINE_TYPE is MOVING WINDOW, this field is the size of the moving window in number of days.
If NULL, then the window size is the value of the AWR retention setting. |
|
CREATION_TIME |
DATE |
Time the baseline was created | |
EXPIRATION |
NUMBER |
How long to keep the baseline, in number of days. A NULL value means that the baseline will be kept forever. | |
TEMPLATE_NAME |
VARCHAR2(64) |
Name of the template that created this baseline, if any. | |
LAST_TIME_COMPUTED |
DATE |
Last time that statistics were computed on the baseline. |