How to Customize the oracle-database-preinstall package?
Hello all, Hope you’re doing fine! I was working in a project where client was building Oracle RAC clusters. They would like to use the oracle-database-preinstall package to make sure…
ORA-12514 when using TNS entry for SCAN_LISTENER
Hi everyone, Hope you all are doing great! It’s been a while since my last post. Well, today I’m going to share about an issue you all can get it…
CRS-42216: No interfaces are configured on the local node for interface definition ethN
Hi everyone, Hope you’re doing good! I was working for a client where they were upgrading their Servers from RHEL 7 to RHEL 8. As part of this project, DB…
Effective Management of $ORACLE_HOME/.patch_storage: Cleanup and Archive Strategies
Hi all, Hope you’re doing good! I had a call with one of our clients, long story short, they would like to cleanup some space under $ORACLE_HOME/.patch_storage directory. There are…
Automating Bulk Data Loads into Oracle Database with Shell Script and SQL*Loader
Hey everyone, Hope you’re doing good! Recently, a client approached me with an urgent issue: they needed to load 456 files into an Oracle Database table to resolve an integration…
How to Calculate Database Uptime Querying the Oracle Enterprise Manager Views
Hi everyone, Hope you’re doing good! Ensuring high availability of your Oracle databases is crucial for maintaining optimal performance and meeting Service Level Agreements (SLAs). Oracle Enterprise Manager (OEM) provides…
Why is the INSERT Statement Slow? Understanding ‘db file sequential read’ Waits
Some weeks ago, a client called complaining about a slowness during its load in a table. The scenario it was pretty simple: They are loading the table using the INSERT…
How to Efficiently Export a Large List of Tables with DataPump
Hi everyone, hope you’re doing good! I’m a member of a WhatsApp Group in Brazil for DBAs (not only Oracle), and one of the members asked about how to export…
