---
title: "Course overview | Grafana Labs"
description: "Introduction to data sources"
---

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

## What you’ll learn

- **What data sources are** and how they connect Grafana to your data
- **Common data sources** and when to use each
- **Key trade-offs** between data sources and other approaches
- **How to decide** which option is right for your situation

## Course duration

~25-35 minutes

## Data sources covered

Prometheus • Loki • Tempo • MySQL • PostgreSQL • Elasticsearch • InfluxDB • CloudWatch