(upsertToDelta) .outputMode("update") .option("checkpointLocation", "/zdata/Github/Data-Engineering-with-Databricks-Cookbook-main/data/delta_lake/merge-cdc-streaming/users/_checkpoints/") .start("/zdata/Github/Data-Engineering-with-Databricks-Cookbook-main/data/delta_lake/merge-cdc-streaming/users...