VizMasters
Tharashasank DavuluruVizMasters is your go-to space for mastering reporting tools, discovering powerful data visuals, and accelerating your skills with daily tips (VTOD) and global job insights , especially from Poland, through our Saturday Data Drop.
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 42 | Founded | a year ago | Last Issue | 10 months ago |
| Active | |||||
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vizmasters.substack.comLatest Issues
Predicate Pushdown Demystified: From Power Query Folding to Starburst EXPLAIN Plans
Have you ever wondered why some of your reports are lightning-fast while others take forever to load? The answer often comes down to an optimization technique called predicate pushdown. While it sounds technical, the concept is simple and i...
DEFINER vs INVOKER Security Mode in Starburst Views : What You Need to Know
When you create a view in Starburst, you are not only deciding what query it runs, but also whose access rights are applied when someone queries it. This is controlled by security modes. In Starburst, two modes are available:
1. DEFIN...
Why Governance Matters: The Hidden Cost of Misusing Low-Code ETL Tools in Enterprise Data Mesh
Low-code ETL tools like Alteryx, KNIME, and others were built to empower business users and analysts to solve data problems faster. In many ways, they’ve been successful. These tools offer drag-and-drop interfaces, easy data blending, and t...
Stop Rewriting DAX: Build Your DAX Dictionary with TMDL
One of the biggest pain points in large Power BI ecosystems is DAX duplication. Every report author ends up writing the same time intelligence logic, KPI calculations, or currency conversions slightly differently.
This leads to:
- Incon...
Saturday Data Drop: Hot Data & Analytics Job Openings—Week of August 02, 2025
Hey VizMasters Fam,
Welcome to your Saturday Data Drop, a curated round-up of exciting Data & Analytics opportunities that popped up across LinkedIn this past week.
Whether you're actively looking or just casually browsing, these roles ar...
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Authors
The writers behind this newsletter.
I’ve been living in Krakow, Poland, for the past eight years, with a background in engineering and technology.
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