---
auto_validation: true
time: 10
author_name: Vitaliy Rudnytskiy
author_profile: Sygyzmundovych
tags: [ tutorial>beginner, topic>cloud ]
primary_tag: topic>cloud
parser: v2
slug: devtoberfest2026-data-week4-validation
canonical_url: https://developers.sap.com/tutorials/devtoberfest2026-data-week4-validation
---
# 🔵 Devtoberfest 2026 - Week 4 - Validation Tutorial - Data Track

<!-- description --> This is the validation tutorial so you can get Devtoberfest points for watching the 🔵 Data sessions for week 4.

## You will learn

- A lot about technology and yourself during Devtoberfest

## Intro

This tutorial is part of our yearly and wonderful **Devtoberfest**, a month-long event filled with learning, fun, challenges, and prizes -- for techies by techies.

For more info on Devtoberfest, see our [Devtoberfest page](https://developers.sap.com/devtoberfest).

### Question 1 🔵 Data Product Governance in SAP Business Data Cloud

<div>&nbsp;</div><iframe width="560" height="315" src="https://www.youtube.com/embed/LcmJy7544Po" frameborder="0" allowfullscreen></iframe>

### Question 2 🔵 Open Governance for the Lakehouse: How Apache Polaris Enables Data Access at Scale

<div>&nbsp;</div><iframe width="560" height="315" src="https://www.youtube.com/embed/cbDweNWFk1M" frameborder="0" allowfullscreen></iframe>

### Question 3 🔵 SAP HANA Data Lake Files (HDLF) Basic Functionalities

<div>&nbsp;</div><iframe width="560" height="315" src="https://www.youtube.com/embed/_Pcrezj3Zlo" frameborder="0" allowfullscreen></iframe>