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The DBMS_REDEFINITION trap

Here’s something to be careful with when it comes to using DBMS_REDEFINITION. Let’s start with the following scenario. I have

One of the cool things to come out of the partitioning option many moons ago was the feature known as

One of the very cool features from 12.2 onwards is that the vast majority of segment operations that require rewrite

If you have performed some sort of data cleanup or similar on a table, then the deleted space will be

Just a quick post here by request of an attendee of the September Office Hours. I had a demo converting

As you can tell, I have no idea on a name for what I am about to describe. So let

It doesn’t take a rocket scientist to know that even if you have incredibly stringent controls on user authentication, user

We’re being asked to store more and more data, yet keep backup windows, query performance and the like unchanged, no

You’ve been google-ing and you’ve seen articles (for example) like http://www.oracle.com/technetwork/articles/sql/11g-securefiles-084075.html and you’re pretty pumped about using SECUREFILE features. You’ve

“Continuous Delivery (CD) is a software engineering approach in which teams keep producing valuable software in short cycles and ensure