Data Mozart

Category: Data Engineering

07 Jul
AI AI Agents Analytics Engineering Data Engineering Lakehouse Microsoft Fabric Spark

Liar, liar! What to do when AI writes your pipelines confidently wrong?

by Nikola
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Should we let AI write our pipelines? YES...But not the way you probably think.
01 Jul
Data Architecture Data Engineering Microsoft Fabric Warehouse

One-minute trap! How new Fabric Warehouse CU metering affect your workloads

by Nikola
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Microsoft is moving Fabric Warehouse CU metering from per-query CPU time to per-workspace virtual-node time. That brings Fabric closer to Snowflake and Databricks, but it...
18 Jun
Data Architecture Data Engineering Data Integration Lakehouse Microsoft Fabric Warehouse

Variable libraries in Microsoft Fabric: One value to rule them all!

by Nikola
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Hardcoded values are the cockroaches of a data platform: you think you got them all, then Test starts reading from Prod and nobody notices for...
20 May
Data Architecture Data Engineering Microsoft Fabric T-SQL Warehouse

CLUSTER BY in Fabric Warehouse: when the magic shows up and when it doesn’t!

by Nikola
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Microsoft's announcement post for data clustering in Fabric Warehouse promised 24x speedups. So I built a 100-million-row clickstream table and tested it myself. The result...