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FabCon Vienna 2025: Day 1

FabCon Vienna 2025: Day 1

Carmel Eve

FabCon is a conference dedicated to everything Microsoft Fabric. Day 1 was mostly focused around the hundreds of new feature announcements.
What is the Medallion Architecture?

What is the Medallion Architecture?

Carmel Eve

The Medallion Architecture consists of three data tiers: Bronze (raw), Silver (clean), and Gold (projected). Data moves through these three tiers and becomes more opinionated at each stage.
Encoding categorical data for Power BI: Using label encoded data vs one-hot encoded data in Power BI

Encoding categorical data for Power BI: Using label encoded data vs one-hot encoded data in Power BI

Jessica Hill

Understand why label encoding is the preferred technique for encoding categorical data for analysis in Power BI over one-hot encoding.
Encoding categorical data for Power BI: Label encoding vs one-hot encoding - which encoding technique to use?

Encoding categorical data for Power BI: Label encoding vs one-hot encoding - which encoding technique to use?

Jessica Hill

One-hot encoding and label encoding are two methods used to encode categorical data. Understand the specific advantages and disadvantages of these techniques.
There's something wrong with the Pandas API on Spark

There's something wrong with the Pandas API on Spark

Carmel Eve

Fix the following issues: Errors converting large datasets to pandas, pandas for Spark is very slow, and pandas for Spark column reduction doesn't reduce data.
Per-Property Rows from JSON in Spark on Microsoft Fabric

Per-Property Rows from JSON in Spark on Microsoft Fabric

Ian Griffiths

Spark doesn't always interpret JSON how we'd like. For example, if each key/value pair in a JSON object is conceptually one item, Spark won't give you a row per item by default. This article shows how to nudge Spark in the right direction.