Oracle

Oracle Open World 2008 Sessions — Vote on Oracle Mix

I just wanted to make a quick note that Oracle Mix organized an interesting hybrid between call for papers and abstract judging. Anyone registered at Oracle Mix can propose a session abstract to present themselves or as an idea for others. Everyone can give their votes to the proposed sessions. At the end of the voting deadline (25th of June) Oracle will select the top sessions to be included in the Oracle Open World schedule.

Stabilize Oracle Bind Peeking Behaviour with Range-Based Predicates

In my previous post, I described the most common cause for unstable plans due to bind peeking — histograms. It is now time to move forward and take a look at another case, namely range-based predicates. Strictly speaking, the cases I’m going to describe can appear without range-based predicates as well, you just need to remember that a range-based operation doesn’t necessarily imply a range-based predicate.

Welcome ASH Masters!

The latest news — there is a new web site — ashmasters.com. This is the place where you can leave your comments and questions about ASH and ASHMON. Wondering how you can query ASH data? There are some ready to use queries. Have a cool idea how to use ASH and query ASH data? Share it there and have it added to the ASH Masters queries toolkit.

How Todd Hoff stoped worrying and used disk space to scale

Todd Hoff, has an extremely well-written and edutaining article about how scaling to a million or more users requires jettisoning more or less everything we know and love about relational modeling. Even though he uses bigtable as his example, in reality this approach works well with relational datastores like MySQL and Oracle too, you just have to think about your data differently and use the databases differently. So I’m including this article in the MySQL and Oracle categories because I think it would be of interest.

Recent Changes to Oracle SE Licensing Rules: Higher Price?

I came across what appeared to be a change to the rules for licensing Oracle Standard Edition — a change that appears to be subtle on the surface, but one that could have significant and surprising repercussions.Mistake or not, though, there is a clear moral to this story. You need to read the license agreement, even when you are only planning a purchase. Trust me — reading the license after the P.O.s have been cut will not make you look good in a situation like this. And not reading the license would be a major mistake indeed!

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