---
type: learning
area: learning
status: learning
date: 2026-05-03
created: 2026-05-03
updated: 1980-01-01
tags:
  - learning
---
As a best practice, table transformations and column calculations should ideally happen as close to the original data source as possible, to optimize performance and speed

Pivoting and Unpivoting
Changing columns from being columns to row an vis versa