""The snapshot is necessary to create the first copy, creating a baseline, but from that point onward, Fabric constantly keeps the database up to date," he said. "With less than five minutes latency, Fabric keeps the database, the metadata instance, in sync with the original automatically.""
""The compute for mirroring is free to the customer," Ulag said. "Microsoft absorbs the cost. We provide storage for the customer, so the customer doesn't have to worry about the storage cost. Our objective with mirroring is to just make data completely accessible, available in open source format, so all of Fabric can add value, all of the AI stack can add value.""
Microsoft Fabric, launched in 2023, now extends mirroring to include Oracle and Google BigQuery, replicating database snapshots into OneLake as Delta Lake tables stored in Apache Parquet. Fabric maintains near real-time synchronization of replicas with under five minutes latency, eliminating the need for extract, transform, and load (ETL) processes or bespoke data pipelines for supported systems. Mirroring compute and storage are absorbed by Microsoft, reducing customer infrastructure costs. Customers must grant database access and deploy a Fabric enterprise gateway for on-prem or firewall-protected Oracle instances. Fabric also launches a new graph database based on an in-house LinkedIn project.
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