This was a recent topic on the DB2-L mailing list so I thought I'd weigh in with my two cents worth on the topic.As with most DB2 (and, indeed, IT) issues, the correct answer is "it depends!" Let's dig a bit deeper to explain what I mean.From a maintainability perspective, BETWEEN is probably better. The BETWEEN predicate is easier to understand and code than the equivalent combination of the less than or equal to predicate (<=) and the greater than or equal to predicate (>=). In past releases, in many cases it was more efficient, too. But...
Monday, 25 January 2010
Wednesday, 20 January 2010
On Specialty Processors
Posted on 12:21 by Unknown
Today's blog entry is kind of a meta entry.As many of my readers know I write two blogs, this one that is predominantly about DB2 for z/OS, and the Data Management Today blog, that focuses on data-related issues, database management, and industry trends.Well, I've written a series of entries on my other blog about specialty processors (zIIPs, zAAPs, etc.) and related issues. Since DB2 for z/OS folks should find that information useful and relevant, I thought I'd write an entry pointing my readers here to the pertinent specialty processor entries...
Monday, 11 January 2010
Evaluating a DBA Job Offer
Posted on 09:38 by Unknown
Today's blog entry is for DBAs. Although this blog is focused on mainframe DB2 the advice here applies to any DBA job... so pass the linik on to your Oracle and SQL Server friends...As a DBA, it is almost inevitable that you will change jobs several times during your career. When making a job change, you will obviously consider requirements such as salary, bonus, benefits, frequency of reviews, and amount of vacation time. However, you also should consider how the company treats their DBAs. Different organizations place different value on the DBA...
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