ORACLE DBA

 Step By Step to Install Oracle 19c 2 Nodes RAC Setup on Oracle Linux 7.6 version 64-Bit  Software Requirements. 1. Download Latest Oracle VM Virtual box for your suitable host OS from https://www.virtualbox.org/wiki/Downloads 2. Download Oracle Linux 6.7 (64-bit) from Oracle edelivery site. https://www.edelivery.oracle.com 3. Download Oracle 19c GRID and RDBMS software from oracle edelivery. System Readiness: #################################################  It is assumed that the required 2 Database Servers are installed  and configured over Oracle VM Virtualbox environment using the above software. Including Network and Shared Storage Provisioning. ################################################# Now we will see how we can configure the Oracle 19c two nodes RAC setup.  Execute the below commands to quickly set up the system prerequisites on both servers. sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config systemctl stop firewalld systemctl d...

  Concurrent Manager The concurrent managers serve important administrative functions. The concurrent managers ensure that the applications are not overwhelmed with requests, and the second areas of functions are the management of batch processing and report generation. In The Oracle e-Business suite has three important Concurrent Managers:   Internal Concurrent Manager:  The ICM (Internal Concurrent Manager) controls all of the other concurrent managers. Standard Manager:  The Standard Manager accepts any and all requests.  It has no predefined specialization rules and is active all the time.  It is not recommended to add specialization rules to the standard manager as it can cause problems. Conflict Resolution Manager:  The Conflict Resolution Manager resolves conflicts, such as request incompatibilities. How to check concurrent manager running or not? Log in to applications as System Administrator responsibility and navigate to the concurrent > m...