As you might remember from Part 1, I was (and still am) struggling with a strange bug in Oracle Database 18c that sometimes swaps column
RMAN on Oracle Database 19c on Exadata: Performance Tradeoffs
Oracle’s RMAN (Recovery Manager) tool is the Oracle-recommended tool to create and manage your Oracle Database backups. It’s not clear, however, which RMAN settings are
Underscoring the Magical World of Oracle Database’s Hidden Parameters
I’ll just start out with the usual disclaimer about not setting Oracle’s hidden parameters (that start with an underscore) in a production environment without specific
When is an Oracle Database NUMBER Column Not a Number (NaN)?
When it holds an infinite number, since “infinity” is not a number. Oracle Database OCM Franck Pachot reminded me recently about the floating point literals
Oracle Enterprise Manager Cloud Control 13c: Debugging Metrics Collection
Has this ever happened to you? You’re adding a new Exadata environment to OEM Cloud Control (in this case, version 13.3) and one of the
What’s the deal with Exadata HCC and UPDATEs anyway?
Oracle Exadata users have long known that the available compression levels for HCC provide both extreme compression (lower storage footprint) and in many cases improved
