Here, we have couple of puzzles, they are mainly:1- Why the database services are dynamically registered with non-default listener while the local_listener definition doesn't exist in the tnsnames.ora file?2- If you do some changes in the tnsnames.ora file related to the local_listener, are these changes dynamically reflected to the database and listener? or do you … Continue reading Why my Oracle Database is not dynamically registered with the Listener?
O/S-Error: (OS 5) Access is denied while upgrading Oracle 12c Database to 19c
Background: I was upgrading an Oracle Database version 12c(12.2.0.1) to version 19c (19.24) on Microsoft Windows.This is a manual command line line upgrade ( I didn't use DBUA).I started by doing some preparation tasks like::: Task #1: Run pre-upgrade checks:: Task #2: Run the preupgrade_fixups.sql:: Task #3: Connect to sqlplus and create pfile from pfile:: … Continue reading O/S-Error: (OS 5) Access is denied while upgrading Oracle 12c Database to 19c