Delta Lake is an open-source storage framework that enables ACID transactions, schema enforcement, time travel, and unified batch and streaming processing on top of Parquet-based data lakes. Microsoft Fabric natively integrates Delta Lake into its ecosystem, ensuring that all data in OneLake is Delta Lake-compatible by default.
This design means all Fabric workloads, including Data Engineering, Data Science, Real-Time Analytics, and Power BI, interact with a consistent, versioned, and transactionally safe data foundation.
Why Delta Tables Matter in Microsoft Fabric
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