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本篇內容介紹了“怎么禁用Oracle中的自動SPM EVOLVE TASK”的有關知識，在實際案例的操作過程中，不少人都會遇到這樣的困境，接下來就讓小編帶領大家學習一下如何處理這些情況吧！希望大家仔細閱讀，能夠學有所成！
為了禁用自動SPM EVOLVE TASK需要執行以下操作
1. 查看自動SPM Evolve Task是否啟用
SQL> COL CLIENT_NAME FORMAT a20 SQL> SQL> SELECT CLIENT_NAME, STATUS 2 FROM DBA_AUTOTASK_CLIENT 3 WHERE CLIENT_NAME = 'sql tuning advisor'; CLIENT_NAME STATUS -------------------- -------- sql tuning advisor ENABLED
2.禁用自動SPM Evolve Task
SQL> BEGIN 2 DBMS_AUTO_TASK_ADMIN.DISABLE ( 3 client_name => 'sql tuning advisor' 4 , operation => NULL 5 , window_name => NULL 6 ); 7 END; 8 / PL/SQL procedure successfully completed. SQL> SELECT CLIENT_NAME, STATUS 2 FROM DBA_AUTOTASK_CLIENT 3 WHERE CLIENT_NAME = 'sql tuning advisor'; CLIENT_NAME STATUS -------------------- -------- sql tuning advisor DISABLED
3. 查看SPM Evolve Task的參數設置
SQL> SELECT parameter_name, parameter_value 2 FROM dba_advisor_parameters 3 WHERE task_name = 'SYS_AUTO_SPM_EVOLVE_TASK' 4 AND parameter_value != 'UNUSED' 5 ORDER BY parameter_name; PARAMETER_NAME PARAMETER_VALUE -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- ACCEPT_PLANS true ALTERNATE_PLAN_BASELINE EXISTING ALTERNATE_PLAN_LIMIT 0 ALTERNATE_PLAN_SOURCE CURSOR_CACHE+AUTOMATIC_WORKLOAD_REPOSITORY DAYS_TO_EXPIRE UNLIMITED DEFAULT_EXECUTION_TYPE SPM EVOLVE EXECUTION_DAYS_TO_EXPIRE 30 JOURNALING INFORMATION MODE COMPREHENSIVE TARGET_OBJECTS 1 TIME_LIMIT 3600 _SPM_VERIFY TRUE 12 rows selected
4. 關閉Automatic Evolving of Baselines
SQL> BEGIN 2 DBMS_SPM.set_evolve_task_parameter( 3 task_name => 'SYS_AUTO_SPM_EVOLVE_TASK', 4 parameter => 'ACCEPT_PLANS', 5 value => 'FALSE'); 6 END; 7 / PL/SQL procedure successfully completed. SQL> SELECT parameter_name, parameter_value 2 FROM dba_advisor_parameters 3 WHERE task_name = 'SYS_AUTO_SPM_EVOLVE_TASK' 4 AND parameter_value != 'UNUSED' 5 ORDER BY parameter_name; PARAMETER_NAME PARAMETER_VALUE -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- ACCEPT_PLANS FALSE ALTERNATE_PLAN_BASELINE EXISTING ALTERNATE_PLAN_LIMIT 0 ALTERNATE_PLAN_SOURCE CURSOR_CACHE+AUTOMATIC_WORKLOAD_REPOSITORY DAYS_TO_EXPIRE UNLIMITED DEFAULT_EXECUTION_TYPE SPM EVOLVE EXECUTION_DAYS_TO_EXPIRE 30 JOURNALING INFORMATION MODE COMPREHENSIVE TARGET_OBJECTS 1 TIME_LIMIT 3600 _SPM_VERIFY TRUE 12 rows selected
5. 啟用Automatic Evolving of Baselines
SQL> BEGIN 2 DBMS_SPM.set_evolve_task_parameter( 3 task_name => 'SYS_AUTO_SPM_EVOLVE_TASK', 4 parameter => 'ACCEPT_PLANS', 5 value => 'TRUE'); 6 END; 7 / PL/SQL procedure successfully completed. SQL> SELECT parameter_name, parameter_value 2 FROM dba_advisor_parameters 3 WHERE task_name = 'SYS_AUTO_SPM_EVOLVE_TASK' 4 AND parameter_value != 'UNUSED' 5 ORDER BY parameter_name; PARAMETER_NAME PARAMETER_VALUE -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- ACCEPT_PLANS true ALTERNATE_PLAN_BASELINE EXISTING ALTERNATE_PLAN_LIMIT 0 ALTERNATE_PLAN_SOURCE CURSOR_CACHE+AUTOMATIC_WORKLOAD_REPOSITORY DAYS_TO_EXPIRE UNLIMITED DEFAULT_EXECUTION_TYPE SPM EVOLVE EXECUTION_DAYS_TO_EXPIRE 30 JOURNALING INFORMATION MODE COMPREHENSIVE TARGET_OBJECTS 1 TIME_LIMIT 3600 _SPM_VERIFY TRUE 12 rows selected
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