Bitmap Counts

In an earlier post (not very serious) post about count(*) I pointed out how the optimizer sometimes does a redundant bitmap conversion to rowid when counting. In the basic count(*) example I showed this...
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Riga Dev Day and Oracle Midlands Event #7

There are a couple of things on the radar for the coming week and unfortunately for me they are both on the same day. In Birmingham, UK it is Oracle Midlands Event #7 (OM7) on Thursday 22nd of January....
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What Enterprise Apps Could Learn From Consumer Apps

Development of mobile apps for consumers and enterprise are two different animals. Consumer apps come from a broad range of sources, from individual hobbyists building Flappy Bird clones to publicly traded...
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What Enterprise Apps Could Learn From Consumer Apps

Development of mobile apps for consumers and enterprise are two different animals. Consumer apps come from a broad range of sources, from individual hobbyists building Flappy Bird clones to publicly traded...
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Spatial space

One thing you (ought to) learn very early on in an Oracle career is that there are always cases you haven’t previously considered. It’s a feature that is frequently the downfall of “I...
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Bind Effects

A couple of days ago I highlighted an optimizer anomaly caused by the presence of an index with a descending column. This was a minor (unrelated) detail that appeared in a problem on OTN where the optimizer...
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Using Database In-Memory Column Store with Complex Datatypes

From those who are interested, hereby my slide deck I used during UKOUG Tech14, regarding… By: [author-name] This article was syndicated via RSS from: http://feedproxy.google.com/~r/Bloggralikecom/~3/47F-Aj7LnNE/
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8 Companies Leading ECM Into 2015

The enterprise content management (ECM) market looks set to change again. According to new research form Boston-based Nucleus Research, enterprises are taking to the idea of storing content on external...
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FBI Bug reprise

I’ve just had cause to resurrect a blog note I wrote three years ago. The note says that an anomaly I discovered in 9.2.0.8 wasfixed in 10.2.0.3 – and this is true for the simple example...
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Robert G. Freeman on Oracle 2015-01-09 23:01:11

I was working on something today and started to muse on names. By names, I mean things like host names, service names, database names, PDB names, listener names and so on.  I started to mull over...
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