Clik here to view.
Presentation material & E-learning videos – In-Memory Column Store Workshop...
You can now download and have another look at the presentations used during the In-Memory…
View ArticleDemos do fail.
I am an ardent believer of “show me how it works” principle and usually, I have demos in my presentation. So, I was presenting “Tools for advanced debugging in Solaris and Linux” with demos in IOUG...
View ArticleOracle 12c in-memory option and IO
This article is about the Oracle 12c in-memory option, and specifically looks at how the background worker processes do IO to populate the in-memory column store.Hardware: Apple Macbook with VMWare...
View ArticleOracle Database In-Memory Demos
In the last 14 months I delivered a dozen of presentations covering the In-Memory Column Store. During many of them, I spent most of the time showing the audience several demos. The aim of this post is...
View ArticleIndex Usage
There are some questions about Oracle that are like the mythical Hydra – you think you’ve killed it, but for every head you cut off another two grow. The claim that “the optimizer will switch between...
View ArticleInMemory Bonus
It should be fairly well known by now that when you enable the 12c InMemory (Columnar Store) option (and set the inmemory_size) your SQL may take advantage of a new optimizer transformation know as the...
View ArticleConjuctive Normal Form
I recently tweeted about a comment I’d picked up at the Trivadis performance days regarding tablescans and performance.“If you can write your SQL in conjunctive normal form it can help the optimizer to...
View ArticleAd – Oracle Database 12c Release 1 and 2: New Performance Features
In the past I gave a number of 1-day seminars about the new performance features available in Oracle Database 12c Release 1. On the 22nd of February, for the first time, I’ll give an updated version of...
View ArticleClik here to view.
Oracle and the Autonomous Database (a personal perspective from afar)
Yeah, if you hadn’t seen that one coming, hmmm, what can I say… Lot’s of…Read the postOracle and the Autonomous Database (a personal perspective from afar)
View Article18c: Order by in WITH clause is not preserved
For a previous post I’ve run on 18c a script of mine to get the V$MYSTAT delta values between two queries. This script (new version available on GitHub) generates the queries to store some values and...
View Article
