Category Archives: SSAS

Real-time query access with PDW

The Parallel Data Warehouse (PDW) officially supports Analysis Services as a data source, both the Multidimensional model (ROLAP and MOLAP modes) and the Tabular model (In-Memory and DirectQuery modes).  The big benefit of using ROLAP or DirectQuery is you get real-time query access … Continue reading

Posted in PDW/APS, SQLServerPedia Syndication, SSAS | 1 Comment

Book: Expert Cube Development with SSAS Multidimensional Models

Those of you who use SQL Server Analysis Services (SSAS) are likely familiar with the “bible” for designing cubes: Expert Cube Development with Microsoft SQL Server 2008 Analysis Services by Marco Russo, Alberto Ferrari , and Chris Webb.  Well, a new … Continue reading

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Why use a SSAS cube?

What are the advantages of using SSAS Cubes over a regular data warehouse for reporting?  Note I’m not asking why report on a data warehouse instead of a OLTP database. which is covered at Why You Need a Data Warehouse.  Think … Continue reading

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Benefits of using views in a BI solution

Using SQL Server views throughout a Business Intelligence (BI) solution can provide a tremendous amount of benefits.  Here is a list of such benefits, taken in large part from the excellent video SQLBI Methodology by Marco Russo and Alberto Ferrari: Benefit … Continue reading

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Visual Studio 2012 now supports BI!

My most popular blog has been Visual Studio 2012 does not support BI.  In short, this means VS 2012 does not support SSAS, SSIS, or SSRS.  Well, not anymore!  Just released is Microsoft SQL Server Data Tools – Business Intelligence for … Continue reading

Posted in Business Intelligence, SQL Server, SQLServerPedia Syndication, SSAS, SSDT/Juneau, SSIS, SSRS, Visual Studio 2012 | 8 Comments

SSAS: One giant cube or many small ones?

When using SQL Server Analysis Services (SSAS) to build a cube, you may start out with one fact table, but then decide to add another fact table.  You are then faced with a decision: Do you add that fact table … Continue reading

Posted in SQLServerPedia Syndication, SSAS | 8 Comments

Prevent wiping out of SSAS partitions

There have been a few times when I have created SSAS partitions outside of BIDS using script code in an SSiS package, then later made a change in BIDS and deployed the cube, wiping out those partitions (since they did … Continue reading

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Visual Studio 2012 does not support BI

UPDATE 3/6/13: VS 2012 now supports BI!  Check out Microsoft SQL Server Data Tools – Business Intelligence for Visual Studio 2012 In the same vein as my post Watch out, Visual Studio 2010 does not support BI, Visual Studio 2012 does … Continue reading

Posted in Business Intelligence, SQL Server, SQLServerPedia Syndication, SSAS, SSDT/Juneau, SSIS, SSRS, Visual Studio 2010, Visual Studio 2012 | 33 Comments

Comparing DirectQuery and ROLAP for real-time access

In the multidimensional model in SSAS, there is a storage mode called relational OLAP (ROLAP), which is the multidimensional solution for allowing real-time access to relational data sources and uses MDX queries.  In the tabular model in SSAS, the solution … Continue reading

Posted in SQLServerPedia Syndication, SSAS, Tabular | 2 Comments

What happens when a SSAS Tabular model exceeds memory?

If you are using the Tabular model in SSAS, it will use the xVelocity technology to load your entire database in memory (greatly compressing the database).  So what happens if your database is too big to fit in memory?  You … Continue reading

Posted in SQLServerPedia Syndication, SSAS, Tabular | 1 Comment