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A junior data engineer is manually backing up data files before updating a Delta table, as a precaution. As a senior data engineer, which Delta Lake feature would you recommend to simplify this process?
A
Cloud object storage automatically backups the data
B
Use SHALLOW CLONE to copy data of the Delta table, run tests directly on main table and in case of any issues, restore data from clone table
C
Use time travel feature of Delta table to rollback to its previous version in case of any issues
D
Use DEEP CLONE to copy data of the Delta table, run tests on clone table and once satisfied, delete the main table and then use clone table as main table
E
Cloud object support automatic change-tracking and versioning
