The Cost of xVelocity Relationships
How expensive is an xVelocity relationship? The answer depends on several factors, such as column cardinality, DAX calculations, and query itself. But it general, a relationship can add a significant […]
Author Archive for: Prologika
Entries by Prologika - Teo Lachev
Another Successful SQL Saturday!
Kudos to all the hard working individuals that made SQL Saturday BI (Atlanta) a success! It was great meeting many BI fans.
Prologika Newsletter Fall 2018
Semantics relates to discovering the meaning of the message behind the words. In the context of data and BI, semantics represents the user’s perspective of data: how the end user […]
2-Day Applied DAX with Power BI Workshop in Atlanta (Oct 15-16)
Struggling with DAX? Data Analysis Expressions (DAX) is the expression language of Power BI, Power Pivot, and Analysis Services Tabular. It’s very powerful but it’s usually perceived as complex and […]
Prologika at SQL Saturday BI in Atlanta
SQL Saturday BI in Atlanta is around the corner. Prologika will deliver two sessions at this event on September 22nd: Bridge Analytics and Developer Worlds with Power BI and PowerApps by […]
New “Applied DAX with Power BI” Workshop
Data Analysis Expressions (DAX) is the expression language of Power BI, Power Pivot, and Analysis Services Tabular. It’s very powerful but it’s perceived as complex, requiring a steep learning curve. […]
DAX Variables to Rescue
Scenario: DAX has its own share of idiosyncrasies that can humble both novice and experienced users. Consider a common example where a measure attempts to return sales for the last […]
Power BI Conversations
As Microsoft announced in the “Distribute insights across the organization with Microsoft Power BI” presentation (forward to the Nikhil Gaekwad part starting at the 32 min), they’ve been releasing the following […]
Where is Teo in September?
I have a few public events in September (all in Atlanta). Sep 11-12: 2-day Power BI open enrollment workshop Sep 20: “10 Ways to Empower Your BI Strategy with Power […]
Power BI Dataset Size Limits
Question: What’s the maximum dataset size Power BI can support? Answer: As of now (Sep 1, 2018), the maximum dataset size that Power BI Pro can support is 1 GB. The […]
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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.
