Skip to content
pvmehta.com

pvmehta.com

  • Home
  • About Me
  • Toggle search form
  • plan10g.sql Oracle
  • To seee semaphores and shared memory segments in Solaris Linux/Unix
  • Check_recovery.sh program to run sqlplus and return its values remotely. Linux/Unix
  • All About oracle password and security from metalink Oracle
  • logminer and my_lbu Oracle
  • remove archfiles only when it is applied to DR rm_archfiles.sh Linux/Unix
  • Global Unique Identifier Generation in Oracle 9.2 SYS_GUID() Oracle
  • Add new columns in dataframe Python/PySpark
  • Identical Dblink Issue… Oracle
  • 284785.1 How to check RAC Option is currently linked into the Oracle Binary Oracle
  • How to analyze statspack or AWR report. Oracle
  • Histogram Overview Oracle
  • Alter procedure auditing Oracle
  • UTL_FILE test program Oracle
  • Find Multiple levels of object dependencies : depen.sql Oracle

Category: SQL scripts

How to find pinned objects from shared pool. (pinned via dbms_shared_pool.keep)

Posted on 08-Jun-2006 By Admin No Comments on How to find pinned objects from shared pool. (pinned via dbms_shared_pool.keep)

SELECT owner, name, type FROM v$db_object_cache WHERE kept = ‘YES’ AND TYPE = ‘CURSOR’;

Oracle, SQL scripts

how to find OS block size

Posted on 01-Jun-2006 By Admin No Comments on how to find OS block size

13:01:01 SYS@AWRTEST:-> select lebsz from x$kccle; LEBSZ ——— 512 512 512 3 rows selected. or df -g on unix prompt.

Oracle, SQL scripts

Oracle Identifiers

Posted on 31-May-2006 By Admin No Comments on Oracle Identifiers

Oracle Identifiers: =================== In order not to make using Oracle confusing, there are some identifiers whose meaning must be totally clear if one want to work on Oracle: SID (System Identifier): ======================== A SID (almost) uniquely identifies an instance. Actually, $ORACLE_HOME, $ORACLE_SID and $HOSTNAME identify an instance uniquely. The SID is 64 characters, or less;…

Read More “Oracle Identifiers” »

Oracle, SQL scripts

DETERMINING WHICH INSTANCE OWNS WHICH SHARED MEMORY & SEMAPHORE SEGMENTS

Posted on 24-May-2006 By Admin No Comments on DETERMINING WHICH INSTANCE OWNS WHICH SHARED MEMORY & SEMAPHORE SEGMENTS

To obtain the shared memory id and semaphore id for 8.1.X you can do either of the following: $ORACLE_HOME/bin/sysresv IPC Resources for ORACLE_SID “V817” : Shared Memory: ID KEY 14851 0x8a85a74c Semaphores: ID KEY 11206656 0x4bd4814c Oracle Instance alive for sid “V817” OR %sqlplus internal SQL> oradebug ipc Information written to trace file. Trace file…

Read More “DETERMINING WHICH INSTANCE OWNS WHICH SHARED MEMORY & SEMAPHORE SEGMENTS” »

Oracle, SQL scripts

executing Function from SQLPLUS prompt

Posted on 21-May-2006 By Admin No Comments on executing Function from SQLPLUS prompt

SQL> variable komal number SQL> begin 2 :komal := add_me(45,12); 3 end; 4 / PL/SQL procedure successfully completed. SQL> print komal KOMAL ———- 57 SQL> variable tejal number; SQL> execute :tejal := add_me(10,20) PL/SQL procedure successfully completed. SQL> print tejal TEJAL ———- 30 SQL>

Oracle, SQL scripts

Parallel DML

Posted on 04-May-2006 By Admin No Comments on Parallel DML

How to execute any DML statement in Parallel mode?? (1) ALTER SESSION ENABLE PARALLEL DML; (2) Apply Parallel(table_name, parallel_degree) in hint. You can see three new clumns (TQ, IN-OUT, PQ Distribut) in execution plan of “select * from table(dbms_xplan.display())”. These new columns will specify the query is running in parallel mode.

Oracle, SQL scripts

Find Multiple levels of object dependencies : depen.sql

Posted on 21-Apr-2006 By Admin No Comments on Find Multiple levels of object dependencies : depen.sql

set echo off set head off set lines 130 set verify off accept v_owner prompt ‘Enter Owner Name : ‘ accept v_name prompt ‘Enter Object Name : ‘ accept v_type prompt ‘Enter Object Type : ‘ prompt Dependency tree for OWNER : &v_owner, OBJECT_NAME : &v_name OBJECT_TYPE : &v_type prompt ========================================================================================== SELECT rpad (rpad(‘*’, LEVEL*2,…

Read More “Find Multiple levels of object dependencies : depen.sql” »

Oracle, SQL scripts

SCRIPT TO LIST RECURSIVE DEPENDENCY BETWEEN OBJECTS UTLDTREE.sql

Posted on 21-Apr-2006 By Admin No Comments on SCRIPT TO LIST RECURSIVE DEPENDENCY BETWEEN OBJECTS UTLDTREE.sql

Subject: Script To List Recursive Dependency Between Objects Doc ID: Note:139594.1 Type: BULLETIN Last Revision Date: 16-JUN-2004 Status: PUBLISHED PURPOSE ——- This script provides a listing of how objects depend on other given objects such as packages, package bodies or procedures recursively. SCOPE & APPLICATION ——————- You often get invalidated objects and would like to…

Read More “SCRIPT TO LIST RECURSIVE DEPENDENCY BETWEEN OBJECTS UTLDTREE.sql” »

Oracle, SQL scripts

DBMS_PROFILER for tuning PLSQL programs.

Posted on 21-Apr-2006 By Admin No Comments on DBMS_PROFILER for tuning PLSQL programs.

Sometimes when all the SQL statements are well tuned but the routine still takes noticeable time to execute. DBMS_PROFILER Oracle 8i provides a new tool called PL/SQL Profiler. This is a powerful tool to analyze a Program unit execution and determine the runtime behavior. It gives execution time for individual statemenets in procedure, functtion or…

Read More “DBMS_PROFILER for tuning PLSQL programs.” »

Oracle, SQL scripts

Renaming the column name

Posted on 19-Apr-2006 By Admin No Comments on Renaming the column name

Alter table emp rename column emp_no to emp_code;

Oracle, SQL scripts

Posts pagination

Previous 1 … 20 21 22 … 35 Next

Categories

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

Recent Posts

  • load SPM baseline from cursor cache05-Jun-2025
  • Drop all SPM baselines for SQL handle05-Jun-2025
  • Load SPM baseline from AWR05-Jun-2025
  • Drop specific SQL plan baseline – spm05-Jun-2025
  • findinfo.sql (SQL for getting CPU and Active session info)27-May-2025
  • SQL Tracker by SID sqltrackerbysid.sql22-Apr-2025
  • How to connect to Oracle Database with Wallet with Python.21-Mar-2025
  • JSON/XML Types in Oracle18-Mar-2025
  • CPU Core related projections12-Mar-2025
  • Exadata Basics10-Dec-2024

Archives

  • 2025
  • 2024
  • 2023
  • 2010
  • 2009
  • 2008
  • 2007
  • 2006
  • 2005
  • UNderstand and eliminate Latch contention. Oracle
  • online_ts_bkup.sql Oracle
  • adding new line after specific pattern using sed Linux/Unix
  • Guide to Linux System Command Mastery Linux/Unix
  • good note for shared pool tunnig Oracle
  • How to change hostname in Linux Linux/Unix
  • remove archfiles only when it is applied to DR rm_archfiles.sh Linux/Unix
  • Kernel Parameter setting explaination for Processes Parameter Linux/Unix

Copyright © 2025 pvmehta.com.

Powered by PressBook News WordPress theme