Drop all SPM baselines for SQL handle
declaremyplan pls_integer;beginmyplan:=DBMS_SPM.drop_sql_plan_baseline (sql_handle => ‘&sql_handle’);end;/
Category: SQL scripts
Load SPM baseline from AWR
accept v_sqlid prompt ‘Enter sqlid ‘accept v_phv prompt ‘Enter PHV ‘set serveroutput on DECLAREv_first_snapid number;v_last_snapid number;v_sqlset varchar2(1000);loaded_plans number; BEGINselect max(ss.snap_id)-3, max(ss.snap_id)into v_first_snapid, v_last_snapidfrom DBA_HIST_SQLSTAT S, DBA_HIST_SNAPSHOT SSwhere sql_id = ‘&v_sqlid’and plan_hash_value = ‘&v_phv’and ss.snap_id = S.snap_idand ss.instance_number = S.instance_numberand executions_delta > 0 ; loaded_plans := dbms_spm.load_plans_from_awr( begin_snap=>v_first_snapid,end_snap=>v_last_snapid,basic_filter=>q’# sql_id=’&v_sqlid’ and plan_hash_value=’&v_phv’ #’ ); dbms_output.put_line(‘loaded-plans= ‘ ||…
Drop specific SQL plan baseline – spm
set serveroutput onvar res numberexec :res :=DBMS_SPM.DROP_SQL_PLAN_BASELINE (‘&original_sql_handle’,’&original_plan_name’);exec dbms_output.put_line(‘Number of plans dropped: ‘ || :res);
findinfo.sql (SQL for getting CPU and Active session info)
set lines 120 pages 200col dd format a20col inst_id format 99col metric_name format a30col value format 99.99 select x.dd, x.inst_id, x.metric_name, x.value “%CPU”, y.sessfrom(select to_char(sysdate, ‘DD-MON-RRRR:HH24:MI’) DD, inst_id, metric_name, valuefrom gv$sysmetricwhere metric_name like ‘Host CPU Utilization%’ and group_id=2 ) x,(select inst_id, count(1) sess from gv$sessionwhere status = ‘ACTIVE’ and osuser != ‘oracle’group by inst_id) ywhere…
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SQL Tracker by SID sqltrackerbysid.sql
col SAMPLE_TIME format a25col program format a20col SQL_EXEC_START format a25col machine format a15set lines 140 pages 200alter session set nls_date_format=’DD-MON-RRRR:HH24:MI:SS’; select SAMPLE_TIME, SESSION_ID, SESSION_SERIAL#, USER_ID, sql_ID, Machine, program, SQL_EXEC_STARTfrom gv$active_session_historywhere session_id = &v_session_idand sample_time > sysdate – 1/24order by sample_time/
Transfer SQL Profiles from One database to other database.
In this guide, I’ll walk you through moving SQL profiles using a staging table. SQL profiles help databases optimize query execution plans. Step#1 Create the Staging Table First, create a staging table to hold SQL profiles that need to be transferred. SQL> exec DBMS_SQLTUNE.CREATE_STGTAB_SQLPROF(table_name => ‘SQL_STG_TAB’, schema_name => ‘SYS’); This will create a table SQL_STG_TAB…
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Creating never expiring DB user accounts in Oracle
DB Users are required to reset the password periodically for better security. For some service accounts, we need to make sure the password does not expire and does not impact the application. For this purpose, we need to update that user’s Profile. Each Profile has multiple security settings that controls Password_life_time, password_reuse_time, password_reuse_max settings. These…
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Convert multiple rows to single column
Converting rows to single column: create table emp ( empno number, empname varchar2(100), deptno number); insert into emp values( 1, ’emp1′, 10); insert into emp values( 2, ’emp2′, 20); insert into emp values( 3, ’emp3′, 30); insert into emp values( 4, ’emp4′, 10); insert into emp values( 5, ‘paresh’, 30); insert into emp values( 6,…
Find all users who have DML privileges
Run following query as sysdba. alter session set nls_date_format=’DD-MON-RRRR:HH24:MI:SS’; alter session set nls_date_format=’DD-MON-RRRR:HH24:MI:SS’; select username, created, account_status /* Users who granted role with DML privs */ from dba_users where oracle_maintained = ‘N’ and username in (select grantee from dba_role_privs where granted_role in (select role from dba_roles where role in (select GRANTEE from dba_tab_privs where privilege…
Find which sessions is accessing object that prevent your session to have exclusive locks in Oracle
If you want exclusive lock on any table, you need to make sure that no other session is accessing it. This happens when you want to run DDL or any ALTER statements, that internally needs exclusive lock. Following script will to find the blocker session and provide killing statement for clearing locks. col owner format…