MVP for 11 Years
Microsoft awarded me again with the Most Valuable Professional (MVP) Award for SQL Server. This is an annual award given to selected individuals worldwide in recognition for their expertise and […]
Author Archive for: Prologika
Entries by Prologika - Teo Lachev
Atlanta MS BI Group Meeting on Sep 29th
Join us on Monday, September 29th for our meeting of Atlanta MS BI Group to learn about DAX – the programming language of Power Pivot and Tabular. Presentation: DAX 101 […]
Investigating Deadlocks
Two different customers having deadlock issues. The first one is having deadlock issues happening during DML operations in an OLTP database. The second one – during ETL load of a […]
Atlanta MS BI Group Meeting on Aug 25th
Join us tonight for a knowledge-packed meeting of Atlanta MS BI Group to learn how to optimize and automate your ETL. Presentation: Making your SSIS Fly Beyond the Sky […]
Where is SSDT?
Now that Microsoft has decoupled SQL Server Data Tools from the SQL Server 2014 setup, the quest to find SSDT has started. You can download SSDT from the Microsoft SQL Server […]
SSRS Style Templates
As you probably know, the SSRS Report Wizard allows users to select predefined report styles. These styles are basic “skins” that apply to report foreground and background colors. A question […]
Absolute Tabular KPIs
An interesting requirement popped up during an Analysis Services class I’m teaching this week. The customer wants to implement a Tabular/PowerPivot KPI that has this pseudo logic: CASE WHEN Actual […]
Excel Timeline Slicers
In an attempt to improve visualizations of Excel-based dashboards, Excel 2013 introduced a Timeline filter. Specifically designed to visualize dates, the Timeline filter works similarly to regular slicers which were […]
Applied BI Semantic Model Course Available
Due to the popular demand, I’m adding a new 5-day Applied BI Semantic Model training course to our training classes. This course reflects the growing need of BI developers to […]
Power View Can’t Load Power Pivot Models
Scenario: You have created an SSRS application in SharePoint and specified that the application pool would use a specific domain service account that is designated to SSRS. When you attempt […]
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Prologika is a boutique consulting firm that specializes in Business Intelligence consulting and training. Our mission is to help organizations make sense of data by applying effectively BI technologies.
