Microsoft often provides free access to selected O’Reilly titles via the Microsoft Learn portal. Search the Microsoft Learn knowledge base for "Azure Data Explorer reference" — sometimes entire book chapters are embedded directly in the learning paths.

If you’ve been searching for the definitive guide, you’ve likely come across the book "Scalable Data Analytics with Azure Data Explorer" by Myers, L’Esteve, and various experts. But here is the good news:

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Let me know in the comments below. Disclaimer: Prices and free trial offers are subject to change. Always check the official O’Reilly and Microsoft websites for current terms.

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