Oracle: How to solve ORA-28040
This is how to solve connection error ORA-28040
Topic
Oracle
A collection of 27 issues
Oracle: Use CheckMk for Oracle Database monitoring
This is how to easily use CheckMk for Oracle monitoring
Oracle: DataPatch fails with error PLS-00302
This is how to solve PLS-00302 when executing DataPatch
Oracle: Create or drop database link for/from different schema
You can't create a database link for another user than the one you logged in. Neither you can drop it. Here's a workaround...
Oracle: Use Docker Compose for Oracle Weblogic Server
Oracle WebLogic Server (WLS) is the application server made by Oracle. As I'm a DBA and not an application admin, I try to keep away from it, but sometimes, i. e. when using Cloud Control, I come into contact with it.
The installation of WebLogic Server is no
Oracle: Use Grafana for Oracle OCI Monitoring
How to use Grafana to monitor your OCI resources
Oracle: Using Oracle Cloud Infrastructure (OCI) for free
Use Oracle Cloud Infrastructure without spending money
MySQL: Use CheckMk to monitor MySQL
CheckMk is a great tool for monitoring. Especially when it comes to standard functions for operating systems.
But CheckMk is also great for the monitoring of MySQL databases.
If you want to use it, just install the CheckMk agent on the MySQL server. Additionally, you'll need the MySQL
Oracle: Which updates to install
In my IT carreer, I often come to new customers I didn't know before. So I don't know their infrastructure.
As I'm a DBA, I'm not interested in application servers (besides telling the customer that Operating Systems and standard applications should always
Oracle: Prepare database for upgrade using autoupgrade.jar
In my job, I often have to upgrade or patch Oracle databases. Furtunately, most of all the databases in production are now on 19c, and the rest is mainly on 12.2.0.1.
The best tool for upgrading is autoupgrade.jar, which in future will be the only upgrade