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 […]
This author has not written his bio yet.
But we are proud to say that Prologika - Teo Lachev contributed 1176 entries already.
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]