Marco Russo's Blog posts of 2009
Microsoft BI Conference 2010 joins TechEd 2010 North America
Even if the site still is not updated, the Microsoft BI Conference 2010 will be joined with TechEd 2010 in New Orleans, LA. The conference will start on June 7, 2010, with a pre-conference day on June 6 (there are still no updates about BI Conference Read more
Distinct Count Measure in PowerPivot using DAX
UPDATE: PowerPivot for Excel 2010 in SQL Server 2012 and Excel 2013 support the DISTINCTCOUNT aggregation in DAX. This blog post is relevant only if you use PowerPivot for Excel 2010 in SQL Server 2008 R2. A PivotTable based on PowerPivot data doesn’t Read more
The best analogy for PowerPivot so far
I just read what I think is the best analogy for PowerPivot so far – these are the words of Amir Netz in a discussion: A good analogy is the relationship between mainsteam media (newspapers and TV) and internet blogs. In the old days (7 years back…), Read more
Many-to-Many relationships in PowerPivot
UPDATE: This blog post is still good for learning DAX principles, but a better description of many-to-many patterns is available on The Many-to-Many Revolution whitepaper that is available here: http://www.sqlbi.com/articles/many2many/ – please download Read more
SSIS remote execution and SqlBulkCopy performance analysis
In the last few days Alberto wrote two very interesting posts: Remote Execution of SSIS Packages – this is something that many many people asked me since 2005. Now there is the complete code with the solution to this issue. Considering that SSIS 2008 Read more
InstantCube: a DSL to design cubes
During a conversation I expressed the idea of making a DSLs to model cubes by leveraging the “Oslo” platform – my needs was having a human readable source file, easy to compare if you have two versions of the same entity (cube, dimension, or something Read more
SQLBI experience at PASS 2009
I’ve been so busy in the last weeks that I wasn’t able to blog about PASS Summit 2009, so here’s a short recap. I and Alberto presented the SQLBI Methodology in a 75 minutes slot. The room was full, there were about 200 people and no sits available. We Read more
Gemini is now PowerPivot
The project codenamed Gemini has an official name now: PowerPivot . The complete name should be “PowerPivot for Excel 2010”, but PowerPivot is simpler. I didn’t like that name yesterday, but today it seems better. Microsoft announced this name at the Read more
DirectSlice and MeasureExpression: the bug is not a bug
A few months ago I wrote about a possible bug using both DirectSlice and MeasureExpression . A few days ago, Edward Melomed answered that the behavior we observed was not a bug but by design: you can read the complete answer on Connect . The key point Read more
Permissions to display a report in SharePoint Services (SSRS integrated mode)
This is the type of blog posts you write after you spent hours on a stupid issue and you want to remind what’s happened. And may be it will help someone else in the future. Scenario: you have a MOSS 2007 with SSRS 2008 in SharePoint integrated mode. You Read more