Skip to content
pvmehta.com

pvmehta.com

  • Home
  • About Me
  • Toggle search form
  • ORA-3136 Oracle
  • online_ts_bkup.sql Oracle
  • create database syntax Oracle
  • DBMS_UTILITY PACKAGE Oracle
  • find checksum of a file. Linux/Unix
  • Adding Datafile on Primary Server and Impact on Standby Server Oracle
  • How to Modify the statistics collection by MMON for AWR repository Oracle
  • Monitor and Trace Unix processes using truss Linux/Unix
  • Proc Compilation Oracle
  • Finding last recovered file on DR and remove all chanracters before any “/” Linux/Unix
  • Physical Standby switchover with session active Oracle
  • Parallel DML Oracle
  • To Find Orphan OS processes. Linux/Unix
  • Query to Generate aggregate on every 30 mins. Oracle
  • CPU Core related projections AWS

Category: SQL scripts

load SPM baseline from cursor cache

Posted on 05-Jun-2025 By Admin No Comments on load SPM baseline from cursor cache

set serveroutput onaccept v_sqlid prompt ‘SQLID:’accept v_phv prompt ‘PHV:’ var pvm numberbegin:pvm := dbms_spm.load_plans_from_cursor_cache(sql_id=>’&v_sqlid’, plan_hash_value=>&v_phv, fixed =>’NO’, enabled=>’YES’);end;/ EXEC dbms_output.put_line(‘Number of plans loaded: ‘ || :pvm);

Oracle, SQL scripts

Drop all SPM baselines for SQL handle

Posted on 05-Jun-202505-Jun-2025 By Admin No Comments on Drop all SPM baselines for SQL handle

declaremyplan pls_integer;beginmyplan:=DBMS_SPM.drop_sql_plan_baseline (sql_handle => ‘&sql_handle’);end;/

Oracle, SQL scripts

Load SPM baseline from AWR

Posted on 05-Jun-2025 By Admin No Comments on 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= ‘ ||…

Read More “Load SPM baseline from AWR” »

Oracle, SQL scripts

Drop specific SQL plan baseline – spm

Posted on 05-Jun-202505-Jun-2025 By Admin No Comments on 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);

Oracle, SQL scripts

findinfo.sql (SQL for getting CPU and Active session info)

Posted on 27-May-2025 By Admin No Comments on 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…

Read More “findinfo.sql (SQL for getting CPU and Active session info)” »

Oracle, SQL scripts

SQL Tracker by SID sqltrackerbysid.sql

Posted on 22-Apr-202522-Apr-2025 By Admin No Comments on 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/

Oracle, SQL scripts

Transfer SQL Profiles from One database to other database.

Posted on 05-Sep-2024 By Admin No Comments on 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…

Read More “Transfer SQL Profiles from One database to other database.” »

Oracle, shell, SQL scripts

Creating never expiring DB user accounts in Oracle

Posted on 14-Sep-202314-Sep-2023 By Admin No Comments on 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…

Read More “Creating never expiring DB user accounts in Oracle” »

Oracle, SQL scripts

Convert multiple rows to single column

Posted on 13-Sep-202313-Sep-2023 By Admin No Comments on 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,…

Read More “Convert multiple rows to single column” »

Oracle, SQL scripts

Find all users who have DML privileges

Posted on 05-Sep-202305-Sep-2023 By Admin No Comments on 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…

Read More “Find all users who have DML privileges” »

Oracle, SQL scripts

Posts pagination

1 2 … 35 Next

Categories

  • Ansible (0)
  • AWS (2)
  • Azure (1)
  • Linux/Unix (149)
  • MYSQL (5)
  • Oracle (392)
  • PHP/MYSQL/Wordpress (10)
  • POSTGRESQL (0)
  • Power-BI (0)
  • Python/PySpark (7)
  • RAC (17)
  • rman-dataguard (26)
  • shell (149)
  • SQL scripts (341)
  • SQL Server (6)
  • Uncategorized (0)
  • Videos (0)

Recent Posts

  • SQL Server Vs Oracle Architecture difference25-Jul-2025
  • SQL Server: How to see historical transactions25-Jul-2025
  • SQL Server: How to see current transactions or requests25-Jul-2025
  • T-SQL Vs PL/SQL Syntax25-Jul-2025
  • Check SQL Server edition25-Jul-2025
  • Checking SQL Server Version25-Jul-2025
  • Oracle vs MYSQL Architecture differences (For DBAs)24-Jul-2025
  • V$INSTANCE of Oracle in MYSQL24-Jul-2025
  • Day to day MYSQL DBA operations (Compared with Oracle DBA)24-Jul-2025
  • MYSQL and Oracle Comparison for Oracle DBA24-Jul-2025

Archives

  • 2025
  • 2024
  • 2023
  • 2010
  • 2009
  • 2008
  • 2007
  • 2006
  • 2005
  • _B_TREE_BITMAP_PLANS issue during 8.1.7 to 9.2.0.8 upgrade Oracle
  • move_arch_files.ksh Linux/Unix
  • find_longsql.sql Oracle
  • SQL Server: How to see historical transactions SQL Server
  • ORA-8031 issue and solution if it is occuring due to truncate. Oracle
  • Nice Article about semaphores and init.ora Processes parameter relations Linux/Unix
  • Committing distributed transaction using commit force Oracle
  • currwaitobj.sql SQl_ID and SQL statement you can get from currwaitobj.sql Oracle

Copyright © 2025 pvmehta.com.

Powered by PressBook News WordPress theme