Prologika Newsletter Winter 2024
I conducted recently an assessment for a client facing memory pressure in Power BI Premium. You know these pesky out of memory errors when refreshing a biggish dataset. They started […]
Author Archive for: Prologika
Entries by Prologika - Teo Lachev
Handling Data Quality and Data Enrichment
Some of the most difficult and tedious issues in almost every BI project are handling data quality issues (aka exceptions) and data enrichment. Examples of data quality issues typically originate […]
LLM Adventures: Microsoft Copilot Studio (The Good, The Bad, and The Ugly)
“A momentary lapse of reason That binds a life to a life You won’t regret, you will never forget There’ll be no sleep in here tonight” “The Slip”, Pink Floyd […]
Atlanta Microsoft BI Group Meeting on December 2nd (Semantic Modeling as Code)
Atlanta BI fans, please join us online for our next meeting on Monday, December 2nd at 5PM ET (please note the change to our usual meeting time to accommodate the […]
Temporal Tables
I like SQL Server temporal tables for implementing ODS-style tables and change data tracking (CDS) for three main reasons: SQL Server maintains the system versioning. By contrast, I have witnessed […]
Atlanta Microsoft BI Group Meeting on November 4th (Accelerating your Fabric Data Estate with AI & Copilot)
Atlanta BI fans, please join us in person for our next meeting on Monday, November 4th at 6:30 PM ET. Stacey Jones (Principal Data & AI Cross-Solution Architect at Microsoft) […]
Implementing Role-playing Dimensions in Power BI
Role-playing dimensions are a popular business requirement but yet challenging to implement in Power BI (and Tabular) due to a long-standing limitation that two tables can’t be joined multiple times […]
Prologika Newsletter Fall 2024
When it comes to Generative AI and Large Language Models (LLMs), most people fall into two categories. The first is alarmists. These people are concerned about the negative connotations of […]
Generative AI: Excessive Reinforcement Learning
Do you know that without human intervention the Generative AI responses would be too toxic after training the model from the garbage on Internet? Do you know that OpenAI hired […]
Fabric Direct Lake: Memory Utilization with Interactive Operations
As I mentioned in my Power BI and Fabric Capacities: Thinking Outside the Box, memory limits of Fabric capacities could be rather restrictive for large semantic models with imported data. […]
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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.
