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Difference between DAYS_TO_EXPIRE and EXECUTION_DAYS_TO_EXPIRE Advisor Task Parameters

in Database Tuning (MOSC) 9 comments

Hi


https://docs.oracle.com/database/121/ARPLS/d_autosta.htm#ARPLS73155

DBMS_SQLTUNE.SET_TUNING_TASK_PARAMETER Procedures

. EXECUTION_DAYS_TO_EXPIRE: number of days until the tasks executions is deleted (without deleting the task)

. DAYS_TO_EXPIRE: number of days until the task is deleted


We are unable to clearly understand, the difference between EXECUTION_DAYS_TO_EXPIRE and DAYS_TO_EXPIRE, can someone explain the differences.


Example:

ADVISOR_TASK_NAME              TASK_ID NAME                   VALUE

---------------------------------------- ---------- ---------------------------------------- ---------------

...............................

ADDM:2194268642_1_2913             3935 DAYS_TO_EXPIRE              30

ADDM:2194268642_1_2913             3935 EXECUTION_DAYS_TO_EXPIRE         UNLIMITED

AUTO_STATS_ADVISOR_TASK              3 EXECUTION_DAYS_TO_EXPIRE         UNLIMITED

AUTO_STATS_ADVISOR_TASK              3 DAYS_TO_EXPIRE              30

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