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This post is part of a Methodology discussion - other posts will follows. I will be happy to get your feedback! I am proud to announce a public draft of the first paper about the SQLBI Methodology . I and Alberto Ferrari tried to define a consistent methodology Read more
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Bart De Smet just wrote a long post about LINQ predicates that can be defined without returning a boolean value. This is something I partially evaluated writing the Programming Microsoft LINQ book, but in his post Bart goes very deep on this topic and Read more
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Today I come into a nice bug (misfeature?) of SSIS 2008 and I'd like to share it with you. Let's start from the beginning: One of the keys to make something speedy is to parallelize it. In TableDifference I read from two inputs, compare them and produce Read more
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This post is part of a Methodology discussion - other posts will follows. I will be happy to get your feedback! Building a BI solution (like any kind of software project), it is normal to look for existing methodologies and best practices, just to avoid Read more
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Paul Stovell made a presentation on " Reactive Programming and Bindable LINQ " at TechED Australia 2008 (unfortunately, I was at the antipode in Italy, but the topic is really interesting). I didn't know there are projects somewhat similar to Bindable Read more
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This post is part of a Methodology discussion - other posts will follows. I will be happy to get your feedback! One interesting question is “How do you measure the complexity of a BI solution?” If we need to decide whether a specific technique is suitable Read more
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In the last years I spent most of my time working on BI solutions based on the SQL Server platform. I had experiences with other architectures but I mostly used Kimball's methodology to design relational databases feeding SSAS cubes. However, Kimball Read more
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Ok, this could be partially off topic, but if you work on BI it is not. I will be a speaker at the Microsoft Sharepoint Conference 2008 in Milan (Italy) on 2 and 3 October 2008. I have one speech about building digital dashboards using SharePoint, Reporting Read more
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I just received a mail from Adam Machanic that pointed me to this bug (I would call it a performance issue) about the construction of SQL statements generated by the LINQ to SQL engine. The issue: every string passed as a constant in the query will be Read more
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Today I solved an issue for a customer that was a little bit unexpected, at least for me. The scenario: a table with a few records is periodically updated: a few records are inserted (with a bulk insert) and a few records are deleted (the older ones). Read more