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For databases size does matter: introducing DB2 pureScale.

On Monday October 5, Sal Vella, IBM VP of DB2 development, introduced DB2 pureScale to the attendees of the IDUG Europe conference in Rome. Matt Huras, IBM Distinguished Engineer and the architect of DB2 pureScale, provided an in-depth technical description of DB2 pureScale in his conference session. Today, IBM followed up with a press release highlighting this new and exciting technology. Since press releases in general don’t provide much in a way of detail I decided to post some information on this blog based on what Sal Vella and Matt Huras talked about at IDUG Europe. This is not going [...]

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The Article every DBA should forward to SQL developers

I think that every Database Administrator needs to read the article “Opinion: No more excuses for SQL injection attacks” and send it out to every application developer they know. I hate SPAM as much as the next guy but I think it is justified in this case. I am dead serious.
We, the database people of all walks of life (DB2, Oracle, SQL Server …), have been talking about the benefits of using parameters in the queries instead of literal values for years. The main message has been “performance”. Most DBMS will perform much better and will use less server resources [...]

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New cool stuff in DB2 Express-C 9.7: new concurrency model

It is not often that we get great things for free; there is often a catch. In the case of the new “Read Currently Committed” semantics, there is no catch. It is a great feature that is not to be missed by anyone who needs to develop and support high volume transactional applications. The best part is there is nothing to pay for, no code to change, nothing to tune or administer. It is on by default and it just works.