Saturday, July 11, 2009

DBA_ADDM_TASKS

DBA_ADDM_TASKS displays information about all ADDM tasks in the database. The view contains one row for each row in the related DBA_ADVISOR_TASKS view that has ADVISOR_NAME=ADDM and STATUS=COMPLETED.

Related View

USER_ADDM_TASKS displays information about the ADDM tasks owned by the current user. The view contains one row for each row in the related USER_ADVISOR_TASKS view that has ADVISOR_NAME=ADDM and STATUS=COMPLETED. This view does not display the OWNER column.

Column

Datatype

NULL

Description

OWNER

VARCHAR2(30)

Owner of the task

TASK_ID

NUMBER

NOT NULL

Unique identifier of the task

TASK_NAME

VARCHAR2(30)

Name of the task

DESCRIPTION

VARCHAR2(256)

User-supplied description of the task

ADVISOR_NAME

VARCHAR2(30)

Advisor associated with the task

CREATED

DATE

NOT NULL

Creation date of the task

LAST_MODIFIED

DATE

NOT NULL

Date on which the task was last modified

PARENT_TASK_ID

NUMBER

Identifier of the parent task (if the task was created as a result of the recommendation of another task)

PARENT_RXEC_ID

NUMBER

Identifier of the recommendation within the parent task that resulted in the creation of the task

LAST_EXECUTION

VARCHAR2(30)

Name of the current or last task execution

EXECUTION_TYPE

VARCHAR2(30)

Type of the last execution. This information is optional for single-execution tasks.

EXECUTION_TYPE#

NUMBER

???

EXECUTION_DESCRIPTION

VARCHAR2(256)

Optional description of the last execution

EXECUTION_START

DATE

Execution start date and time of the task

EXECUTION_END

DATE

Execution end date and time of the task

STATUS

VARCHAR2(11)

Current operational status of the task:

  • INITIAL - Initial state of the task; no recommendations are present
  • EXECUTING - Task is currently running
  • INTERRUPTED - Task analysis was interrupted by the user. Recommendation data, if present, can be viewed and reported at this time.
  • COMPLETED - Task successfully completed the analysis operation. Recommendation data can be viewed and reported.
  • ERROR - An error occurred during the analysis operation. Recommendations, if present, can be viewed and reported at this time.

STATUS_MESSAGE

VARCHAR2(4000)

Informational message provided by the advisor, regarding the status

PCT_COMPLETION_TIME

NUMBER

Percent completion, in terms of time, of the task when it is executing

PROGRESS_METRIC

NUMBER

Metric that measures the progress of the task in terms of quality. Each advisor may have its own metric.

METRIC_UNITS

VARCHAR2(64)

Unit of the metric used to measure progress

ACTIVITY_COUNTER

NUMBER

Counter that is updated frequently by the advisor, denoting that useful work is being performed

RECOMMENDATION_COUNT

NUMBER

Number of recommendations produced

ERROR_MESSAGE

VARCHAR2(4000)

Informational message or an error message indicating the current operation or condition

SOURCE

VARCHAR2(30)

Optional name that identifies the creator of the task

HOW_CREATED

VARCHAR2(30)

Optional task or template on which the object was based

READ_ONLY

VARCHAR2(5)

Indicates whether the task is read-only (TRUE) or not (FALSE)

SYSTEM_TASK

VARCHAR2(5)

???

ADVISOR_ID

NUMBER

NOT NULL

Unique identifier for the advisor

STATUS#

NUMBER

???

DBID

NUMBER

The database ID that the task was using

DBNAME

VARCHAR2(9)

The name of the database that the task was analyzing

DIVERSION

VARCHAR2(17)

???

ANALYSIS_VERSION

VARCHAR2(17)

The version of the database that executed the task

BEGIN_SNAP_ID

NUMBER

The snapshot ID that starts the analysis period

BEGIN_TIME

TIMESTAMP(3)

The SYSDATE at the time the BEGIN_SNAP_ID was taken

END_SNAP_ID

NUMBER

The snapshot ID that ends the analysis period

END_TIME

TIMESTAMP(3)

The SYSDATE at the time the END_SNAP_ID was taken

REQUESTED_ANALYSIS

VARCHAR2(8)

The type of ADDM analysis that was requested before task execution, as follows:

DATABASE - global ADDM

INSTANCE - local ADDM

PARTIAL - continental ADDM

ACTUAL_ANALYSIS

VARCHAR2(8)

The type of ADDM analysis that was actually performed when the task was executed (either DATABASE, INSTANCE, or PARTIAL)

DATABASE_TIME

NUMBER

The total database time accumulated in the analysis period (and analyzed instances) in microseconds

ACTIVE_SESSIONS

NUMBER

The average active sessions during the analysis period (and analyzed sessions)

METER_LEVEL

VARCHAR2(6)

???

Oracle data dictionary views

Oracle dynamic performance views

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