5.178 DBA_AUTO_MV_ANALYSIS_TASK

DBA_AUTO_MV_ANALYSIS_TASK display analysis information associated with automatic materialized views.

Column Datatype NULL Description

OWNER

VARCHAR2(128)

Owner of the task

TASK_ID

NUMBER

NOT NULL

Unique identifier of the task

TASK_NAME

VARCHAR2(128)

Name of the task

The value of this column is always SYS_AUTO_MV_TASK.

DESCRIPTION

VARCHAR2(256)

User-supplied description of the task

ADVISOR_NAME

VARCHAR2(128)

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 because 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(128)

Name of the current or last task execution

EXECUTION_TYPE

VARCHAR2(128)

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

EXECUTION_TYPE#

NUMBER

Reserved for internal use

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(128)

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)

Indicates whether the task is a system task (TRUE) or not (FALSE)

ADVISOR_ID

NUMBER

NOT NULL

Unique identifier for the advisor

STATUS#

NUMBER

Reserved for internal use

Note:

This view is available starting with Oracle Database 21c.