Category: Internals

Database Internals

Security Best Practice: Oracle passwords, but secure!

Today I held my presentation about Oracle security best practice “Oracle passwords, but secure!” at the virtual UKOUG event. Unfortunately, this year the beautiful view of Brighton beach and the active exchange with colleagues was missing. Ok, on the other hand I was able to enjoy the first snow in Switzerland with my children. 😊 […]

AVDF installation ISO

Due to some problems during the installation of Oracle Audit Vault and Database Firewall 12.1.2 (see AVDF installation fails on HP server with Smart Array Disk Controller), I’ve looked at the AVDF ISO image and its kickstart setup. AVDF 12.1.2 is based on Oracle Enterprise Linux 5.9. To setup or upgrade AVDF it is required […]

Trivadis CBO Days 2014

The company I work for, Trivadis, organized again an exceptional event with top speakers in Zurich. This year’s focus will be on the Oracle Database query optimizer, also known as cost-based optimizer (CBO). The query optimizer is not only one of the most complex pieces of software that constitutes the Oracle kernel; it is also […]

Query alert log from sqlplus

It is not really a novum that you can directly query the alertlog from SQLPlus. Tanel Poder and others already have discussed this a while ago. Somehow I can never remember the name of the X$ view when I need it. So it is time to sum up the information a little bit. SQL> desc […]

Oracle hidden init.ora parameter

This post focuses on init.ora parameters. It is not really new topic, but rather a personal reference to some practical queries and scripts. If you are the customer, it’s always handy when you can easily access your own queries.