Microsoft Fabric Time Travel erklärt: Vergangene Daten einfach abfragen

In this tutorial, I'll show you how the Time Travel feature in Microsoft Fabric works and why Delta Lake can still make previous data states available. Using a practical example, we'll see how deleted data can be retrieved using a timestamp, what role the Delta Log plays in this process, and why Time Travel doesn't guarantee unlimited history. We'll also take a look at the Describe and Describe History commands, as well as the maintenance processes that eventually permanently remove older data. We'll explain how to retrieve deleted data. (00:00) Intro (00:35) Initial Situation: Data has been deleted (01:30) A look at the Delta Log (02:41) Using Time Travel via SQL (03:56) Describe and Describe History (05:06) Limitations of Time Travel (06:35) Conclusion 🔗 Documentation Used Delta Lake Time Travel https://delta.io/blog/2023-02-01-delt... Microsoft Fabric Time Travel https://learn.microsoft.com/de-de/fab... Time Travel Queries https://learn.microsoft.com/de-de/fab... Marcus Wegener on LinkedIn |   / marcuswegener