# MAGIC > [Mirrored Azure Databricks Unity Catalog item definition](https://learn.microsoft.com/en-us/rest/api/fabric/articles/item-management/definitions/mirrored ...

# MAGIC 1. Reads the five parquet files dropped into the UC volume. # MAGIC 2. Writes Delta tables in `retail_raw` (overwrite mode — idempotent). # MAGIC 3. Adds dynamic-view definitions in ...

Arsalan Tavakoli was at his bachelor party in 2013 when Ali Ghodsi, a computer science researcher at the University of California, Berkeley, pulled him aside. The two had become colleagues and friends ...