---
title: "Karthik Pandy (@kpandy) | Hashnode"
description: "Karthik Pandy (@kpandy) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@kpandy"
---

@kpandy

# Karthik Pandy

@kpandy · Joined March 2026

### [The Golden Rule of Data Transformation: Go Upstream](https://karthikbi.hashnode.dev/the-golden-rule-of-data-transformation-go-upstream?utm_source=hashnode&utm_medium=feed)

Introduction If you work with large Import mode semantic models in Power BI, you've probably been there — a model that ran perfectly for months suddenly starts failing refresh. No code changes. No new

3 min read · [karthikbi.hashnode.dev](https://karthikbi.hashnode.dev/the-golden-rule-of-data-transformation-go-upstream?utm_source=hashnode&utm_medium=feed)

[Mar 30](https://hashnode.com/posts/the-golden-rule-of-data-transformation-go-upstream/69c9fa315282e6ac9c3a7c52)