Lead Oracle Application DBA Interview Questions and Answers

Yes, cross platform migration in Oracle Apps involves moving from one operating system to another, such as Linux to Solaris.

• Cross platform migration in Oracle Apps involves transferring the application and database from one operating system to another.

• It requires careful planning and testing to ensure a smooth transition.

• Data migration tools like Oracle Data Pump can be used to facilitate the process.

• Consideration must be given to differences in file systems, directory struct...read more

Cut over phase is the final stage of migration or upgradation where the new system takes over the functions of the old system.

• Cut over phase involves transitioning from the old system to the new system.

• It includes final data migration, testing, and validation of the new system.

• During cut over phase, users are trained on the new system and any remaining issues are resolved.

• The goal of cut over phase is to ensure a smooth transition with minimal disruption to operations.

• Example...read more

Parameters needed for configuring Dataguard include LOG_ARCHIVE_DEST_1, LOG_ARCHIVE_DEST_2, FAL_SERVER, STANDBY_FILE_MANAGEMENT, etc.

• LOG_ARCHIVE_DEST_1: Specifies the location to archive redo logs on the primary database

• LOG_ARCHIVE_DEST_2: Specifies the location to archive redo logs on the standby database

• FAL_SERVER: Specifies the FAL (Fetch Archive Log) server for the standby database

• STANDBY_FILE_MANAGEMENT: Specifies whether standby file management is enabled or disabled

Patching in Oracle Apps R12.2 involves applying patches using adop utility and following specific steps.

• Apply patches using adop utility

• Run pre-patch and post-patch scripts

• Follow patching documentation for specific steps

• Perform patching in a non-production environment first

To apply R12.2 patch faster, use parallel workers, pre-install patches, and automate the process.

• Use parallel workers to speed up the patching process

• Pre-install prerequisite patches to reduce downtime during patching

• Automate the patching process using scripts or tools

• Leverage Oracle E-Business Suite's online patching feature for minimal downtime

I have extensive experience in upgrading Oracle applications, including planning, testing, and executing upgrades.

• Led multiple successful Oracle application upgrades from planning to execution

• Performed thorough testing to ensure compatibility and functionality post-upgrade

• Worked closely with stakeholders to minimize downtime and disruptions during upgrades