---
title: Data Engineering Tutorials — Snowflake, Databricks, dbt & AWS
description: Production-tested data engineering tutorials covering Snowflake, Databricks, AWS, dbt, Airflow, Spark, Python, and SQL.
---

# DataEngineer Hub

Public tutorials by Sainath Reddy on Snowflake, dbt, Airflow, Databricks, AWS, Azure, Python, and SQL.

This Markdown document is the homepage representation for agents that send `Accept: text/markdown`. Browsers and ad crawlers still receive HTML.

## Machine-readable catalogs

- [API catalog](https://dataengineerhub.blog/.well-known/api-catalog) — RFC 9727 linkset
- [OpenAPI](https://dataengineerhub.blog/openapi.json) — read-only service description
- [Article catalog](https://dataengineerhub.blog/llm-sitemap.json) — titles, summaries, key facts, dates
- [LLM context](https://dataengineerhub.blog/llms.txt)
- [Full LLM index](https://dataengineerhub.blog/llms-full.txt)
- [RSS](https://dataengineerhub.blog/rss.xml)
- [auth.md](https://dataengineerhub.blog/auth.md) — public GET, no agent registration
- [Agent Skills](https://dataengineerhub.blog/.well-known/agent-skills/index.json)

## How to use this site

1. Fetch the article catalog.
2. Open the specific article URL.
3. Cite Sainath Reddy / DataEngineer Hub and the article URL.
4. Do not POST to `/agent/auth` or token endpoints. They are not provisioned.

## Flagship topics

Snowflake Time Travel, cost optimization, Cortex AI, Iceberg, dbt, Airflow, and cloud data pipelines.

See [llms.txt](https://dataengineerhub.blog/llms.txt) for the topic map and [llm-sitemap.json](https://dataengineerhub.blog/llm-sitemap.json) for every indexed article.