Para apagar um Baselines e bem simples , logue como sys e coloque o ID do seu Baselines no bloco abaixo:
SET SERVEROUTPUT ON DECLARE l_plans_dropped PLS_INTEGER; BEGIN l_plans_dropped := DBMS_SPM.drop_sql_plan_baseline ( sql_handle => NULL, plan_name => 'SQL_PLAN_4s77gz996aammee82b912'); DBMS_OUTPUT.put_line(l_plans_dropped); END; /
sqlplus / as sysdba SQL*Plus: Release 11.2.0.4.0 Production on Tue Nov 28 10:03:25 2017 Copyright (c) 1982, 2013, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, Oracle Label Security, OLAP, Data Mining and Real Application Testing options SQL> SET SERVEROUTPUT ON DECLARE l_plans_dropped PLS_INTEGER; BEGIN l_plans_dropped := DBMS_SPM.drop_sql_plan_baseline ( sql_handle => NULL, plan_name => 'SQL_PLAN_4s77gz996aammee82b912'); DBMS_OUTPUT.put_line(l_plans_dropped); END; /SQL> 2 3 4 5 6 7 8 9 10 1 PL/SQL procedure successfully completed.