Unity Catalog isn’t comparable with Iceberg Catalogs. It’s not required for Delta to function… There was a paper at VLDB about Delta Lake: https://www.vldb.org

Unity Catalog isn’t comparable with Iceberg Catalogs. It’s not required for Delta to function… There was a paper at VLDB about Delta Lake: https://www.vldb.org/pvldb/vol13/p3411-armbrust.pdf https://www.vldb.org/pvldb/vol13/p3411-armbrust.pdf - it describes why it was created, plus details of implementation.