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A Technical Community for IT Professionals

Less Than Dot is a community of passionate IT professionals and enthusiasts dedicated to sharing technical knowledge, experience, and assistance. Inside you will find reference materials, interesting technical discussions, and expert tips and commentary. Once you register for an account you will have immediate access to the forums and all past articles and commentaries.

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Stupid me #4 – The login is from an untrusted domain

After quite a while it has finally returned: another Stupid Me™®©! A reminder: Every time I do something “stupid”, which happens from time to time, I’ll do a little blog post on what happened and how I solved it. The reason for this is twofold: I’ll have a solution online I can consult if it […]

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Tableau Data Visualization Cookbook – Review

After my review of Tableau Dashboard Cookbook, I read another book about Tableau, namely Tableau Data Visualization Cookbook by Ashutosh Nandeshwar. The book is published by Packt but I am relieved to say this time there were no significant editing issues. In fact it is quite well written and as far as I could tell […]

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Modeling the Agile Data Warehouse with Data Vault – Review

A few months ago I followed an introductory course about the data vault modeling technique for data warehouses at a local training provider. As part of the training, I received the book Modeling the Agile Data Warehouse with Data Vault written by Hans Hultgren who also is an instructor for the official data vault certification. […]

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Creating a Matrix Infographic in SSRS

With “Matrix Infographic” I simply mean those infographics FiveThirtyEight (site | Twitter), the website of statistic revelation Nate Silver, uses to display forecasts of World cup matches. An example: I was wondering if something similar could be built using SSRS. And yes, it is possible and it isn’t that hard. My starting point is a […]

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Tableau Dashboard Cookbook by Jen Stirrup

DISCLAIMER I received this book through the O’Reilly blogger review program, which I already mentioned in the review of Thinking With Data. The actual publisher of the book is Packt Publishing, not O’Reilly itself. TABLEAU DASHBOARD COOKBOOK I guess most people who have been in contact with the SQL Server community have at least heard […]

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Speaking at SQL Server Days 2014

I am absolutely delighted to share the great news that I have been selected as one of the speakers for the 2014 edition of the SQL Server Days in Belgium. It is one of the biggest SQL Server events in Europe and this will be the 4th time I am presenting there. A lot of […]

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SSRS Nugget: displaying placeholders when no rows are returned

A few days ago there was an interesting question on the forum: How can I get None in each cell of a table in the report if no rows are returned? If I use “No rows message” property, header is not displaying on the report but I would like to get headers along with “NONE” […]

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2

T-SQL Tuesday #54: An Interview Invitation

It’s time for another T-SQL Tuesday! This month’s blog party is hosted by Boris Hristov (blog | twitter) and the subject is about interviews and hiring. First I thought about writing a rant about the beginning of every interview and hiring process: recruiters. You can’t live with them and you can live without them. But […]

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MDS: A Database Error Has Occurred

I recently came across the following error message when I tried to look at the batches in the Integration Management section of MDS: 515: A database error has occurred. Please contact your system administrator Too bad I am the system administrator on that machine… Anyway, after some searching it came out the MDS stored procedure udpEntityStagingAllBatchesByModelGet throws […]

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SSIS Performance Testing

I had to do some performance testing for an upcoming MSSQLTips article and I thought I’d share the framework I used in a blog post. First of all we have to log start and end dates of the package to a table so we can easily calculate the duration a package took to finish. This […]

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