Tholis Consulting
Welcome Tholis Consulting is founded by Jos van Dongen, a seasoned Business Intelligence professional and well known author and presenter. Our focus is on implementing BI solutions from start to finish, where we ultimately enable your organization to be fully self supportive. We do this by making the technology, process and people choices that fit your organization and ambition, and support you in every step towards becoming an intelligent organization. We believe that Open Source software offers…
| User: | Jos van Dongen |
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Recent user posts
TPC-H fun with Greenplum (single node edition)
Introduction There's a nice quote on the Greenplum site from Brian Dolan, Fox Interactive Media which says “Very impressed with the speed. 3 minutes to do a sum on 100 million rows of data”. That pretty much sums it up. I wouldn't consider that anything to be proud of; 3 minutes to do a simple sum… Read more
Open Source Data Warehousing?
The economic downturn is causing an increasing interest in using open source (OS) solutions for BI. One of my previous blogposts already raised the issue of the missing pieces in open source analytical databases, but nevertheless more and more companies are using OS databases for data warehouse purposes… Read more
InfiniDB: The Good, The Bad and the Ugly
Last week the BBBT was visited by startup database company Calpont, although 'startup' hardly fits the bill considering the fact that the company was founded in 2000. I won't go into the company nor the BBBT session details; you can find the last one here. What I do want to blog about is the product… Read more
Open Source BI
Open Source BI Over the past few years Open Source has become a viable choice when selecting the right tools and technology for a BI solution or a data warehouse. Jos van Dongen has published 10 articles on this topic for the Dutch Database Magazine and keeps covering new market developments in this… Read more
InfiniDB: The Good, The Bad and the Ugly
Last week the BBBT was visited by startup database company Calpont, although 'startup' hardly fits the bill considering the fact that the company was founded in 2000. I won't go into the company nor the BBBT session details; you can find the last one here. What I do want to blog about is the product… Read more
Excel taking the BI crown in 2010?
2010 is well on its way and many of you posted their insights and predictions for the upcoming year. No need to add to those posts; the ones by Nenshad Bardoliwalla (with some excellent comments from Neil Raden) and James Kobelius pretty much sum it up, and are also linked to from many other places… Read more
Excel taking the BI crown in 2010?
2010 is well on its way and many of you posted their insights and predictions for the upcoming year. No need to add to those posts; the ones by Nenshad Bardoliwalla (with some excellent comments from Neil Raden) and James Kobelius pretty much sum it up, and are also linked to from many other places… Read more
TPC-H fun with Greenplum (single node edition)
Introduction There's a nice quote on the Greenplum site from Brian Dolan, Fox Interactive Media which says “Very impressed with the speed. 3 minutes to do a sum on 100 million rows of data”. That pretty much sums it up. I wouldn't consider that anything to be proud of; 3 minutes to do a simple sum… Read more
Pentaho, quo vadis?
The acquisition Today Pentaho announced the acquisition of parts of the LucidEra BI solution (formerly called 'ClearView') to replace the current OLAP client JPivot. For the past couple of years JPivot has been the ugly duck in the Pentaho BI solution but although there are better/prettier open source… Read more
About Us
About Tholis Tholis Consulting was founded in 1999 by Jos van Dongen. In the first years of its existence the primary focus was implementing Business Objects solutions, but in the past few years we've taken a more product independent approach. There are no bad tools anymore, just bad ways of implementing… Read more
Pentaho book near finish
The Pentaho Solutions book Roland and I have been working on since last year is near publication. Great cover, isn't it? ps. here's a sneak preview of the reporting chapter … Read more
References
References We succesfully completed a large number of projects for a wide variety of customers. The subpages contain a selection of these projects including a short description of the case, the implemented solution and the technology used. … Read more
What's missing in Gartners latest BI MQ?
I haven't seen the full text yet but did get hold of the MQ image from this Oracle blog that also contains some interesting observations and snippets from the full text. What you don't see however in this blog is the movement and reshuffling that took place between the 2009 and 2010 editions of the… Read more
Publications
BOOKS Pentaho Solutions Business Intelligence and Data Warehousing with Pentaho and MySQL, Wiley Publishing, 2009. ISBN 978-0470484326 Low Cost, High Value? Open Source oplossingen voor Business Intelligence, Array Publishing, 2009. ISBN 978-907456214-0 … Read more
Services
BI/DWH Consulting Everything we do is about 'Business Intelligence', or 'BI' in short. BI is “a set of concepts and methodologies to improve decision making in business through use of facts and fact-based systems” (Howard Dresner). So it's not about technology, although technology is a big part of it… Read more
Paraccel does it again?
Today analytic database vendor Paraccel announced another record breaking TPC-H benchmark result for the 1TB size segment. There are indeed a couple of things to be proud of here: the Price/QphH now matches Kickfires overall lowest result, and they beat Oracle by a nice margin in pure performance. And… Read more
Pentaho, quo vadis?
The acquisition Today Pentaho announced the acquisition of parts of the LucidEra BI solution (formerly called 'ClearView') to replace the current OLAP client JPivot. For the past couple of years JPivot has been the ugly duck in the Pentaho BI solution but although there are better/prettier open source… Read more
Pentaho, quo vadis?
The acquisition Today Pentaho announced the acquisition of parts of the LucidEra BI solution (formerly called 'ClearView') to replace the current OLAP client JPivot. For the past couple of years JPivot has been the ugly duck in the Pentaho BI solution but although there are better/prettier open source… Read more
Until 'Madison' arrives, Microsoft SQL Server runs faster on…
Visitors of the latest BI summit of the Seattle based software giant were awed by a first demo of project Madison, which is basically a Windows/SQL Server based version of the recently acquired appliance vendor Datallegro. Microsoft showed how a 150 TB (yes, that's Tera, not Giga) database could perform… Read more
TPC-H fun with Greenplum (single node edition)
Introduction There's a nice quote on the Greenplum site from Brian Dolan, Fox Interactive Media which says “Very impressed with the speed. 3 minutes to do a sum on 100 million rows of data”. That pretty much sums it up. I wouldn't consider that anything to be proud of; 3 minutes to do a simple sum… Read more
Seminar program
Seminar program Open Source Primer The Open Source promise Definitions & licenses Development model Myths, facts and fables Linux versus Windows Open Source BI Overview Business Intelligence introduction The 'BI Stack': components & maturity levels OS BI Suites: JasperSoft, Pentaho and SpagoBI… Read more
TPC-H fun with Greenplum (single node edition)
Introduction There's a nice quote on the Greenplum site from Brian Dolan, Fox Interactive Media which says “Very impressed with the speed. 3 minutes to do a sum on 100 million rows of data”. That pretty much sums it up. I wouldn't consider that anything to be proud of; 3 minutes to do a simple sum… Read more
Bye bye Google Apps
Last summer I decided to give up my locally managed Email service and switch to a Premier Edition Google apps account. Sounded great, 25GB of mail storage and guaranteed uptime of 99,9% in any given month!. Well, last night around 19:15 I got this nice '502' error At 20:00 I started to get a little… Read more
Who's going to buy SPSS?
2009 will be a turning point for the so called 'business analytics' market. While ETL, reporting and OLAP have become more of a commodity and merely belong to the basic set of tools needed for doing business, organizations can still beat the competition with the smart use of advanced analytics. Now… Read more
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