Readmeout Oracle DBA Blog Specifically Focusing on database administration, RMAN Backup and recovery, restore, cloning, performance tuning and sharing best practices.
Oracle Apps Administration categories is related to EBS issues and solutions.
Introduction: – In this post we will cover how to check tablespace size in oracle database. Using dba_data_files and dba_free_space to check tablespace size. Follow the below steps to monitory the oracle database utilization. How to check tablespace size in oracle database Here I will explain how to check tablespace size in oracle. Every DBA … Read more
Introduction: – In this post we will learn Purge obsolete logs in oracle EBS r12. Purging is regular activity to clear old logs from log location. We can improve performance our database and apps to clear obsolete logs which is not required. Following command will help you in regular activity to Purge obsolete logs in … Read more
In this post I am going to describe you Oracle Database Monitoring Scripts for every DBA for oracle database. Oracle database health check:- Oracle Database Monitoring Scripts. DBA Daily checklists: 1: Health check of the Database. 2: Viewing the Alert log file to analyze the ORA errors if any. … Read more
LsInventory session failed: RawInventory gets null OracleHomeInfo | In Oracle EBS Instance, recently I have faced the error as lsinventory session failed while try to run ./opatch lsinventory in our Instance. OPatch wasn’t able to find the database home in central Inventory, due to this issue (opatch failed with error code 73) unable to do the … Read more
Introduction: – The Likely cause of this issue is prefs.ora file is missing in Application user’s $HOME. We need to copy this to $HOME. Oracle Report Builder warning in r12 REP-0004 Warning Unable to open user preference file. Resolving REP-0004 Warning Unable to open user preference file. Error: – Showing … Read more
opmnctl opmn is not running| In this post describe how to resolve the opmnctl opmn failed to start a managed process after the maximum retry limit issue. Opmnctl opmn is not running. Scenario: Recently we have got error ‘Failed to start managed process after the maximum retry limit’ because copied IAS from different machine and try to start the … Read more
Suppose your index is not being used by SQL query with cost-based optimizer. Index monitoring allow you to easy identify the unused indexes (that are not being used) in oracle database. You can use alter index index_name monitoring command to enable the oracle index usage monitoring. Index usage monitoring Syntax to enable monitoring: – Once you … Read more
CREATE TABLE– Using create table we can create empty table in oracle database. SQL create table syntax. We all are aware that table is very important object in each and every database, so let start creating table in database. CREATE TABLE is the key word telling database to create new table in … Read more
Here we will Restore rman backup to different server with different database name. Perform backup on production server and we will restore it on any QC,DEV or UAT server. We have taken “RMAN backup” of PROD and will restore rman backup to different server with different database name. Let’s take two servers … Read more
Here we will discuss about requirement configure shell script, configure shell script to backup & schedule shell script for rman backup script to complete rman full backup using crontab in Linux, Solaris and Unix platform. Cron job will be triggered as per scheduled time. How to schedule shell script for rman backup? In this … Read more