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Answer: Use the time travel feature of Delta Lake to revert to a previous version of the data.
The time travel feature of Delta Lake allows for easy reversion to previous states of the data, ensuring data integrity and reducing the time required to correct critical errors. This feature is natively supported and does not require manual intervention or external support.
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In a data processing pipeline, you need to revert data to a previous state due to a critical error. Describe the process you would follow to achieve this in a Delta Lake, including any necessary configurations and potential challenges.
A
Use the time travel feature of Delta Lake to revert to a previous version of the data.
B
Manually delete the erroneous data and reinsert the correct data from backups.
C
Rebuild the entire Delta Lake from scratch using historical data logs.
D
Contact Azure support to rollback the data to a previous state.