Why Delta Lake is perfect for OneLake
- ACID transactions
- Schema evolution
- Time travel
- Partitioning
- High-performance reads
- Optimized for columnar analytics
- Compatible with Spark, SQL, ML, and BI
Delta Lake is the foundation that makes OneLake fast, reliable, and open.
SECTION 7 — How OneLake Powers Every Fabric Workload
OneLake is not a separate service. It is the storage layer for all Fabric workloads.
How OneLake powers every Fabric workload
- Lakehouses — Store files + Delta tables directly in OneLake.
- Warehouses — Store SQL tables as Delta in OneLake.
- Power BI — Reads Delta tables directly via Direct Lake.
- Pipelines — Ingest data into OneLake.
- Notebooks — Transform data stored in OneLake.
- Event Streams — Write streaming data into OneLake.
- ML Models — Train directly on Delta tables in OneLake.
- Governance — Purview governs OneLake centrally.
This is why OneLake is the backbone of Fabric.
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