Enable and Disable the SQL PLAN Baseline in Oracle

Check the SQL Plan Baseline in Oracle

SELECT sql_handle, plan_name, enabled, accepted FROM dba_sql_plan_baselines

Enable the SQL ID plan in SQL Plan Baseline in Oracle:

Note: SQL_HANDLE_VALUE or PLAN_NAME_VALUE taken from first query.

var v_num number;
exec :v_num:=dbms_spm.alter_sql_plan_baseline(sql_handle =>'SQL_handle_value',  plan_name => 'plan_name_value',  attribute_name=> 'enabled',  attribute_value=>'YES'); 
print v_num;

var v_num number;
EXEC  :v_num:=dbms_spm.alter_sql_plan_baseline(sql_handle =>'SQL_handle_value',  plan_name => 'plan_name_value',  attribute_name=> 'fixed',  attribute_value=>'YES');  
print v_num;

Disable the SQL Plan in SQL plan Baseline in Oracle

var v_num number;
exec :v_num:=dbms_spm.alter_sql_plan_baseline(sql_handle =>'SQL_handle_value',  plan_name => 'plan_name_value',  attribute_name=> 'enabled',  attribute_value=>'NO'); 
print v_num;

var v_num number;
EXEC  :v_num:=dbms_spm.alter_sql_plan_baseline(sql_handle =>'SQL_handle_value',  plan_name => 'plan_name_value',  attribute_name=> 'fixed',  attribute_value=>'NO');  
print v_num;