About James Serra
I am an independent consultant with the title of Business Intelligence/Data Warehouse/Master Data Management Architect and Developer, specializing in the Microsoft SQL Server BI stack.Need some help?
If you are looking for help in building a data warehouse or end-to-end BI solution, send me an email and we can discuss your needs. I am available for short or long-term projects.Follow Me!
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Recent Posts
- Presentation Slides for Building an Effective Data Warehouse Architecture
- Levels in IT consultancy
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- Presentation Slides for Building an Effective Data Warehouse Architecture | James Serra's Blog on SQL Server 2012: Multidimensional vs tabular
- Presentation Slides for Building an Effective Data Warehouse Architecture | James Serra's Blog on Ralph Kimball Books
- Presentation Slides for Building an Effective Data Warehouse Architecture | James Serra's Blog on When to use T-SQL or SSIS for ETL
- James Serra on Business Intelligence Maturity Assessment
- Dave DuVarney on Business Intelligence Maturity Assessment
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Top Posts & Pages
- Data Warehouse Architecture - Kimball and Inmon methodologies
- Microsoft SQL Server Parallel Data Warehouse (PDW) Explained
- Consultants: 1099 or W-2?
- Presentation Slides for Building an Effective Data Warehouse Architecture
- Create SQL Server scripts with Visio 2010
- Improving cube processing time
- What is Microsoft TAP and RDP?
- SQL Server 2014!
- SQL Server 2012: Multidimensional vs tabular
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Monthly Archives: May 2012
Syncing your calendars
I have a desktop computer, a laptop, and a iPhone. I frequently add meetings to my Outlook calender on my desktop computer, but sometimes enter them on my laptop. And I frequently use my iPhone to alert me about upcoming … Continue reading
Posted in Career, SQLServerPedia Syndication, Tools
2 Comments
Columnstore indexes and memory
Columnstore indexes are built and processed completely in memory. You will receive an out-of-memory error if you do not have enough memory to build the columnstore index. Column store processing is optimized for in-memory processing, however, they do not reside in memory … Continue reading
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
Being careful in SSAS to not make a cube/dimension unprocessed
A big headache in SSAS, especially when dealing with a large cube, is making a change that when deployed, causes a cube to become unprocessed, forcing you to do a full process so the cube is usable. Nothing is worse … Continue reading
Posted in SQLServerPedia Syndication, SSAS
1 Comment
Data Warehouse vs Data Mart
I see a lot of confusion on what exactly is the difference between a data warehouse and a data mart. The best definition that I have heard of a data warehouse is: “A relational database schema which stores historical data … Continue reading
Fast Track Data Warehouse Reference Guide for SQL Server 2012
I have previously blogged about Fast Track Data Warehouse, a reference configuration optimized for data warehousing (see Microsoft SQL Server Reference Architecture and Appliances). That was version 3.0 of the reference configuration that was for SQL Server 2008 R2. Just released … Continue reading
