A data engineer observed that some unused data files in a Delta table's directory were not deleted after executing the VACUUM command, despite others being removed. What could be the reason for this partial deletion?

Real Exam

The deleted data files were larger than the default size threshold, while the remaining files are smaller and cannot be deleted.

5.2%

The deleted data files were newer than the default retention threshold, while the remaining files are older and cannot be deleted.

18.3%

The deleted data files were older than the default retention threshold, while the remaining files are newer and cannot be deleted.

64.5%

The deleted data files were smaller than the default size threshold, while the remaining files are larger and cannot be deleted.

5.6%

More information is needed to determine the correct answer.

6.4%

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