Oracle Application Express 23.2 Installation Steps    Before installing Oracle Application Express, you must verify your configuration meets the minimum installation requirements. •                Oracle Database Requirements Oracle Application Express release 23.2 requires an Oracle Database release 19c or later, including Enterprise Edition and Standard Edition (SE) and Database 23c Free. Oracle Application Express can be installed in single-instance database and in Oracle Real Application Clusters ..read more

 Steps to Fix Output Post Processor Startup In Oracle E-Business Suite, there are occasions when we encounter issues such as the Output Post Processor failing to start up, resulting in a mismatch between the actual number of processes and the target number of processes. Consequently, many concurrent programs end up completing with errors or warnings. Solution: To resolve such issues, follow these steps: Restart the manager called "Output Post Processor" from the frontend: Log in to Oracle Applications with sysadmin responsibility. Navigate to: Concurrent -> Managers -> Administer ..read more

  Issue:-  We had a situation for a customer where his server was shutdown abruptly due to power cut at datacenter. After resuming the power, when he tried to start his database he encountered following error“ORA-00742: Log read detects lost write in thread 1 sequence 5789 block 805653” Environment :- Windows 2019 DB Version:-     12.2.0.1   Solution: - Login to database and shutdown cleanly D:\oracle\product\12.2.0\dbhome\bin>sqlplus / as sysdba   SQL*Plus: Release 12.2.0.1.0 Production on Mon Mar 11 10:26:27 2024   Copyright (c) 1982, 2016, Orac ..read more

  In this comprehensive guide, we'll walk you through the process of converting a Non-CDB (Non-Container Database) to a Pluggable Database (PDB) using an existing CDB (Container Database). Follow these clear and concise steps for a seamless transformation: Assumption: Before converting a Non-CDB oracle instance into CDB , it is assumed an oracle CDB instance is already running.   Step 1: Cleanly Shutdown the Non-CDB Database(orcl) Execute the following commands to gracefully shut down the Non-CDB Database named "orcl": Invoke environment for orcl [oracle@ocisoumya ~]$ . oraenv ..read more

  In this post I will be showing step by step guide to apply CPU patch on oracle database 19c. I will be applying CPU patch for December 2023(Patch no :- 35643107) Activity Steps: 1. Check Opatch Tool Version: Verify the current version of the Opatch tool. As per read me of Patch 35643107 , minimum required Opatch version should be 12.2.0.1.37 or later   2.Download Opatch Tool (if needed): Upgrade the Opatch utility if the current version is outdated.  Download Opatch latest version or as mentioned in patch readme. In this case I will be installing 12.2.0.1.40 (Patch no 6 ..read more

We often require to extract information such as User DDL and all privileges granted including roles, system and object privileges, tablespace quota etc. Using the following method we can extract it easily. Create a .sql file and paste the following code inside. Note:- While executing this sql make sure to enter the username in UPPERCASE. vi info.sql -- Connect to target database and execute with a user that has DBA privileges   -- Example for user "CRPDTA" - Make sure to put the username in uppercase.   SET LONGCHUNKSIZE 20000 PAGESIZE 0 FEEDBACK OFF VERIFY OFF TRIMPOOL ON COLUMN ..read more

Oracle datapump error ORA-39077: unable to subscribe agent KUPC$A_1_083325450472000   Error Details:- D:\oracle\product\19.3.0\dbhome_1\bin>impdp HOSPITAL/HOSPITAL@ORCL dumpfile=EXP_HOSPITAL_20231113140110_A.DMP logfile=IMP_HOSPITAL_20231113140110_A.LOG directory=dumps   Import: Release 19.0.0.0.0 - Production on Mon Nov 13 16:59:16 2023 Version 19.13.0.0.0   Copyright (c) 1982, 2021, Oracle and/or its affiliates.  All rights reserved.   Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production ORA-31626: job does not exist ORA-31638 ..read more

Hi Everyone, Recently I came across an issue where oracle service on windows was getting stopped due to some reason. Since customer was not using any monitoring tool, it was very hard to track when the service was going down. To mitigate the problem , I wrote a batch script which will monitor oracleservice and listener service on windows . The script will send a mail once notifying service has gone down and once service comes back it will send another notification on email with service is running message. Save the following script in .bat format and schedule it as per your requirement in ta ..read more

  Today I will show a scenario where a customer had a requirement to refresh their snapshot standby database. The setup was 1 primary database and 2 physical standby databases among which one standby database was always kept in physical standby mode but the other one was used by the developer and a daily refresh was the requirement. Since they wanted to convert snapshot standby into physical standby for sync and later convert it back to snapshot standby I prepared two shell script to perform the entire activity.   ·       Shell script to convert physical ..read more

 In the following post I will show you how to purge dba_recyclebin older than X number of days. For e.g I want to purge recyclebin data older than 30 days   Oracle recommends not to use delete statement on dba_recyclebin as this doesn’t allow to delete data older than 7 days   SQL> Delete from dba_recylebin where droptime <sysdate -30; ERROR at line 1: ORA-01752: cannot delete from view without exactly one key-preserved table    Rather run the following script to generate a select sql and execute it to purge dba_recyclebin SQL>set head off SQL>s ..read more