databases


Part 3 of Karl Seguin’s Foundations of Programming series is now online. This time it’s all about persistence, mapping between object graphs and relational databases (O/R Mapping), and impedance mismatch.  Read, learn, and never again get bogged down in stored procedure-based hell!

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Microsoft SQL Server 2005 Service Pack 2 was released today. Why do you care? Well, if you’re using the Enterprise version, you now have a new data type – vardecimal. It’s the same concept as varchars and it can save a lot of disk space if you’re storing low-precision numbers in high-precision columns. There’s even a new system proc that will estimate the space you’d save if you switched to the new type!