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AWS Certified Database Specialty (DBS-C01)

Here is my feedback after preparing and passing the AWS Database Specialty certification. There are tips about the exam but also some thoughts that came to my mind during the preparation when I had to mind-shift from a multi-purpose database(…)

티베로 – The most compatible alternative to Oracle Database

By Franck Pachot . Do you remember that time where we were able to buy IBM PC clones, cheaper than the IBM PC but fully compatible? I got the same impression when testing Tibero, the TmaxSoft relational database compatible(…)

Oracle Support: Easy export of SQL Testcase

By Franck Pachot . Many people complain about the quality of support. And there are some reasons behind that. But before complaining, be sure that you provide all information. Because one reason for inefficient Service Request handling is the(…)

Documentum – xPlore installer refuses to start because of ‘Multiple launches’

While working with xPlore, you might have faced before a message saying that an xPlore installer refused to start because it is not allowed to run multiple instances at the same time. This could have happened while running any installer:(…)

“Segment Maintenance Online Compress” feature usage

By Franck Pachot . On Twitter, Ludovico Caldara mentioned the #licensing #pitfall when using the Online Partition Move with Basic Compression. Those two features are available in Enterprise Edition without additional option, but when used together (moving online a(…)

Documentum – DA fail to load if accessed after D2 because of ESAPI

In some specific cases, you might have faced an issue where Documentum Administrator is loading properly but then suddenly it’s not working anymore and all you did in between was accessing D2. I don’t remember seeing that before DA 16.x(…)

Find the SQL Plan Baseline for a plan operation

By Franck Pachot . If you decide to capture SQL Plan Baselines, you achieve plan stability by being conservative: if the optimizer comes with a new execution plan, it is loaded into the SQL Plan Management base, but not(…)

AWS RDS for PostgreSQL – 4 – Changing parameters

If you followed that last posts about DB Parameter Groups, Subnet Groups and Setting up the RDS instance you should have a running RDS instance. You should also(…)

Starting an Oracle Database when a first connection comes in

To save resources I thought about the idea to start an Oracle database automatically when a first connection comes in. I.e. if there are many smaller databases on a server, which are not required during specific times, then we may(…)

Cleanup a failed Oracle XE installation on Linux Mint

On this Blog I described on how to install Oracle XE on a current Linux Mint version (19.3. Tricia when writing the Blog). After the conversion of the Oracle provided rpm to a deb installation file with the tool(…)