4 articles tagged Delta Lake.
The Delta Lake (Parquet) export option in Azure Synapse Link for Dataverse is deprecated: closed to new customers from October 2026 and removed in December 2027. This covers the exact scope of the deprecation, what remains supported, and how to choose between Synapse Link CSV output and Link to Microsoft Fabric.
Deterministic hash surrogate keys or IDENTITY columns for your dimensions? A practitioner's pros and cons across load order, idempotency, join cost, and reprocessing.
VACUUM keeps Delta tables healthy, but it can also break Change Data Feed replay windows. This walkthrough shows exactly when incremental pipelines fail and how to design a safe Fabric pattern with guardrails and fallback recovery.
How to perform an in-place Synapse Spark pool upgrade for Synapse Link for Dataverse. Originally written for the 3.3 to 3.4 move — updated for Spark 3.5 and Delta Lake 3.0, since Spark 3.4 is now retired.