You searched "BISM"
        Page 7 of 95 results
article –

Optimizing High Cardinality Columns in VertiPaq

VertiPaq is the internal column-based database engine used by PowerPivot and BISM Tabular models. High cardinality columns might be the more expensive parts of a table. If you cannot remove a high cardinality column from a table, by using the…  Read more

article –

Budget and Other Data at Different Granularities in PowerPivot

PowerPivot and BISM Tabular handle relationships between tables by using a single column that requires to be a unique column in the lookup table. In this article you will see how to handle relationships between tables that have different granularities,…  Read more

blog post –

String Comparison in #DAX

In DAX you don’t have the LIKE operator and you have to use SEARCH instead. However, performance are not very good and it is better to use LEFT and RIGHT if you just need to compare the initial (or ending) match of a string. I just wrote an article about  Read more

blog post –

Best session in BI Platform Track at PASS Summit 2011 #sqlpass

Last week the final session evaluations from PASS Summit 2011 have been communicated to speakers and best scores have been made public. My session was not particularly good: it had very good feedback (overall average 4.32) and some average one, mostly  Read more

blog post –

#SQLBits video (of my session) finally available

The video of the session Vertipaq vs OLAP: Change Your Data Modeling Approach that I delivered at SQLBits 9 is finally available! You can find here the video of sessions I and Alberto Ferrari delivered at the last two SQLBits. Last week we also submitted  Read more

article –

Videos available from SQLBits

We presented a few session at SQLBits and the video of these sessions are available. This is the list of sessions available from SQLBits 8 and SQLBits 9 – just click the link on the title and jump to the…  Read more

blog post –

#DAX Query Plan in SQL Server 2012 #Tabular

The SQL Server Profiler provides you many information regarding the internal behavior of DAX queries sent to a BISM Tabular model. Similar to MDX, also in DAX there is a Formula Engine (FE) and a Storage Engine (SE). The SE is usually handled by Vertipaq  Read more

blog post –

The Many-to-Many Revolution 2.0 #ssas #mdx #dax #m2m

In September 2006 I had announced in this blog the release of the first version of The Many-to-Many Revolution, a whitepaper that describes how to leverage the many-to-many dimension relationships feature that had being available since Analysis Services  Read more