Understand How / Why Using Unity Catalog Managed Tables Reduces Operations Overhead and Maintenance Burden. DATA-ENGINEER-PROFESSIONAL Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   How does Unity Catalog handle schema changes for managed tables?

   • AIt requires manual ALTER TABLE statements and manual updates to the underlying data files.
   • BIt requires the user to manually delete and recreate the table to apply schema changes.
   • CIt only allows schema changes if the table is recreated from scratch.
   • DIt automatically updates the table metadata and manages the underlying data files to reflect the schema change.
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   What happens to the data files of a managed table when you drop the table in Unity Catalog?

   • AThey are moved to a recycle bin and can be restored for 30 days.
   • BThey remain in place and must be manually deleted by the user.
   • CThey are converted to external table data files and retained.
   • DThey are automatically deleted as part of the drop operation.
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   What is a benefit of not having to specify a storage location for managed tables?

   • AIt reduces the risk of data being stored in an unsecured location.
   • BIt allows tables to be stored in any cloud provider's storage.
   • CIt eliminates the need to track and manage storage paths for each table.
   • DIt ensures that data is always stored in the same region as the compute.
   Reveal Solution Discussion Select an answer first
5. 24foundation · easy

   What is a benefit of Unity Catalog's consistent metadata handling for managed tables?

   • AIt reduces the need for manual metadata synchronization across different systems.
   • BIt eliminates the need for any metadata management.
   • CIt allows multiple users to edit the same table metadata simultaneously without conflicts.
   • DIt ensures that all table metadata is stored in the cloud storage location.
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   How does Unity Catalog reduce the administrative overhead of managing permissions for many tables?

   • ABy automatically granting all users access to all tables.
   • BBy centralizing permissions at the catalog and schema level, which can be inherited by tables.
   • CBy storing permissions in the cloud storage location of each table.
   • DBy requiring administrators to set permissions on each table individually.
   Reveal Solution Discussion Select an answer first