Chained rows in a table are generally a “bad thing”, but how bad depends on the type of chained row. Oracle Database contributes to the
Tag: Exadata
An Oracle Data Dictionary Anomaly: VARCHAR2, CLOB, and Exadata
A.K.A. The Serendipitous Nature of Debugging ORA- Errors There is usually an Exadata angle to my posts, and this one won’t disappoint. It started out
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
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
There are Three Types of Bugs: Unpublished, Published, and Features
Sometimes the cure is worse than the disease. A newly discovered bug in Oracle Database 12.2.0.1 (October 2018 RU) is causing quite a bit of
All Kinds of Exadata Stuff 