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  • PASS SQL Saturday #687 Slovenia 2017 Submitted Sessions

    Call for speakers for our event is closed. Now we have the hardest work. Out of 150 submitted fantastic session proposals, we need to select only 30. You can see a nice graphical summary of the submitted sessions prepared in Power BI by Tomaž Kaštrun, our new co-organizer. However, you should also not forget on the two great pre-conference ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on October 2, 2017
  • SQL Server 2017 Integration Services Cookbook

    I coauthored my 15th book Together with Christian Cote (lead author) and Matija Lah (coauthor) we publishes SQL Server 2017 Integration Services Cookbook. Of course, it is kind of early to say this is a definitive guide to SSIS 2017. More accurate name would be SSIS 2016 / 2017 Cookbook. Besides detailed guidelines how to use the 2016 version, you ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on July 14, 2017
  • PASS SQL Saturday #687 Slovenia 2017

    Here we go for the fifth time! The leading event dedicated to Microsoft SQL Server in Slovenia, PASS SQL Saturday #687, will take place on Saturday, December 9th 2017, at the Faculty of Computer and Information Science of the University of Ljubljana, Večna pot 113, Ljubljana (https://www.fri.uni-lj.si/en/about-faculty/how-to-reach-us). This is ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on July 11, 2017
  • PASS SQL Saturday #460 Slovenia 2015 Recapitulation

    Our third SQL Saturday in Ljubljana is over. Two weeks seems to be enough time to sleep over and see things a bit from a distance. Without any further delays, I can declare that it is clear that the event was a pure success Let me start with the numbers, comparing total number of people, including speakers, sponsors, attendees, and organizers, ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on December 30, 2015
  • Data Mining Algorithms – Hierarchical Clustering

    Clustering is the process of grouping the data into classes or clusters so that objects within a cluster have high similarity in comparison to one another, but are very dissimilar to objects in other clusters. Dissimilarities are assessed based on the attribute values describing the objects. There are a large number of clustering algorithms. The ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on March 28, 2015
  • PASS SQL Saturday #356 Slovenia Recapitulation

    So the event is over. I think I can say for all three organizers, Mladen Prajdić, Matija Lah, and me, that we are tired now. However, we are extremely satisfied. It was a great event. First few numbers and comparison with SQL Saturday #274, the first SQL Saturday Slovenia event that took place last year. ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on December 15, 2014
  • Data Modeling Resources

    You can find many different data modeling resources. It is impossible to list all of them. I selected only the most valuable ones for me, and, of course, the ones I contributed to. Books Chris J. Date: An Introduction to Database Systems – IMO a “must” to understand the relational model correctly. Terry Halpin, Tony Morgan: ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on June 10, 2014
  • Working with Temporal Data in SQL Server

    My third Pluralsight course, Working with Temporal Data in SQL Server, is published. I am really proud on the second part of the course, where I discuss optimization of temporal queries. This was a nearly impossible task for decades. First solutions appeared only lately. I present all together six solutions (and one more that is not a solution), ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on May 29, 2014
  • SQL Server 2012 Reporting Services Blueprints Review

    I had opportunity to read the SQL Server 2012 Reporting Services Blueprints book by Marlon Ribunal (@MarlonRibunal) and Mickey Stuewe (@SQLMickey), Packt Publishing. Here is my short review. I find the book very practical. The authors guide you right to the point, without unnecessary obstructions. Step by step, you create more and more complex ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on January 8, 2014
  • SQL Saturday #274 Slovenia Recapitulation

    Pure success! I could simply stop here. However, I want to mention again everybody involved in this, and also some who were unfortunately missing. First of all, PASS is the organization that defined SQL Saturdays. And apparently the idea works I have to thank again to all of the speakers. Coming to share your amazing knowledge is something we ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on December 23, 2013
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