With Oracle 18c , the database software is in image file for download and installation.
RPM - Based Oracle Database Installation :
By using rpm-ivh command , an RPM based database installation performs pre - installation validations, ownshership
to users and groups, maintains the oracle inventory.
Read-Only Oracle Home :
If we chose a read only oracle home , then the database tools and process write under the ORACLE_BASE path instead
of under the oracle home directory.
Local Switch Home Command for Patching Databases
Oracle came up with new built-in tool , " rhpctl " that enables you to switch from current oracle database home to a patched
oracle database home.
