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24 Sep 2021
Oracle, Oracle ACE

Oracle ACE 

After less than 2 years after becoming Oracle ACE Associate, I’m happy to share that I have been promoted to Oracle ACE! I have recently changed my focus from Oracle Database to MySQL, but as it is currently owned by Oracle, I hope I will…

MySQL

Change is the only constant… 

I have a feeling that the name of my blog has never been so true :). Since today I work for Proton Technologies AG (https://protonmail.com, https://protonvpn.com). Still as a database engineer, but with completely different database engine – MySQL! Even though Oracle database is a…

dbms_scheduler, external jobs, Multitenant, Oracle, PDB isolation, Security, Troubleshooting...

PDB_OS_CREDENTIAL and external jobs 

After introduction of Multitenant option, Oracle provided additional ways to ensure proper isolation between pluggable databases. PDB_OS_CREDENTIAL initialization parameter is part of them. It allows to use specified operating system user while interacting with operating system from a PDB. According to documentation, it is taken…