Databricks and SQE read each other's tables
A live run against Databricks-hosted Unity Catalog: each engine writes Iceberg tables the other reads, both run DELETE, UPDATE and MERGE on the other's tables, and 25 reads are compared value by value. All 25 match in every SQE mode. The distributed run found a real bug first: workers ignored delete files, so rows Databricks deleted with a deletion vector came back.
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