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David Van Couvering

David Van Couvering has spent his engineering career crossing the bridge between databases and the middle tier world of application servers, Java and distributed systems. He was the original architect for the Sybase J2EE application server and for the first release of the clustered Sun Java Application Server Enterprise Edition. Currently he is involved in database technology at Sun, working with the Clustra team in Norway, and is a committer to the Apache Derby open source database. He lives in Berkeley and his favorite pasttimes are coding, meditation and spending time with his daughter.


davidvc's blog

Dealing with the Devil

Posted by davidvc on December 1, 2006 at 9:37 AM PST

I discovered Robert Cringely's column/blog when I saw a link to his blog talking about Project Blackbox and how he had predicted something like this last year.


Oracle Benchmarks BDB vs Apache Derby

Posted by davidvc on November 29, 2006 at 2:49 PM PST

I found out on the derby-dev list today white paper from Oracle (PDF) comparing Apache Derby to their newly acquired Sleepycat BDB Java Edition

First of all, it's a great complement t


Posted by davidvc on November 28, 2006 at 5:30 PM PST

provided an example of how to embed a database in a browser using Mozilla Firefox.

He just let me know he received a comment from Giorgio Arata
describing how he got it ported to IE

Open Source Databases Reduce TCO by 60%

Posted by davidvc on November 21, 2006 at 4:03 PM PST

I remember in the late 1990s when I first heard how many companies were switching over from Windows to Linux. There was story after story from my IT friends how they grabbed a cheap box gathering dust in the corner that could barely move under the new Windows releases, and they would install Linux and Apache on it, and it would just scream.

What? It's Not About the Money?

Posted by davidvc on November 20, 2006 at 3:07 PM PST

I've had a lot to say about the Web 2.0 Forum, but the most wonderful moment was during a panel with a number of folks running collective intelligence sites.

Jim Buckmaster, CEO of craigslist was on the panel.

Why Use Java DB For Web Client Storage?

Posted by davidvc on November 17, 2006 at 4:28 PM PST

I've been wanting to write about the value of a relational database
(and Java DB in particular) when implementing local storage
in web clients.

Zimbra uses Derby for offline storage!

Posted by davidvc on November 17, 2006 at 3:45 PM PST

When I was at the Web 2.0 Forum, there was a chat with a number of startups who got launched last year at the conference, and one of them was Zimbra. It was at this session that Zimbra announced their support for running the Zimbra client offline.

Venture Capital: Just Say No

Posted by davidvc on November 14, 2006 at 4:25 PM PST

On Thursday morning at the Web 2.0 forum John Battelle had a fascinating conversation with investors
Ram Shriram and
Roger McNamee

I first have to say off the bat that Ram Shriram had a wonderfully

The Great Database In The Sky

Posted by davidvc on November 13, 2006 at 5:34 PM PST

On Thursday morning at the Web 2.0 Summit, Marten Mikos of MySQL
talked about "The Great Database In The Sky."
His vision: open source structured data.
Today you can search unstructured data through Google, but there is no
open access to the world's structured data.

Richard Stallman loves Java

Posted by davidvc on November 13, 2006 at 11:51 AM PST

I remember in the mid-nineties doing engineering support at Sybase, debugging nasty memory leaks and memory corruption caused by users' incorrect use of C pointer semantics.