Here are more than 100 free course from Microsoft about #DataEngineering, #DataScience and #DataAnalytics. Many of them are #Azure related but also many focus on general knowledge in mention fields.
https://docs.microsoft.com/en-us/learn/browse/?terms=data&roles=ai-engineer%2Cdata-analyst%2Cdata-engineer%2Cdata-scientist
https://docs.microsoft.com/en-us/learn/browse/?terms=data&roles=ai-engineer%2Cdata-analyst%2Cdata-engineer%2Cdata-scientist
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