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Answer: Shallow clones are faster but do not copy data files, while deep clones copy all data files but are slower., Both shallow and deep clones copy metadata, but only deep clones copy data files.
In Delta Lake, shallow clones create a new table referencing the same data files as the source table, which makes them faster but dependent on the original data files. Deep clones, on the other hand, copy both metadata and data files, making them independent of the source table. Deep cloning is advantageous when you need a fully independent copy of a table for long-term analytics or when the source table undergoes frequent changes that could affect ongoing analyses.
Author: LeetQuiz Editorial Team
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Discuss the differences between shallow and deep clones in Delta Lake and how each interacts with source and target tables. Provide an example where deep cloning would be more advantageous than shallow cloning. (Choose Two Options)
A
Shallow clones are faster but do not copy data files, while deep clones copy all data files but are slower.
B
Shallow clones copy all data files, while deep clones only copy metadata.
C
Both shallow and deep clones copy metadata, but only deep clones copy data files.
D
Both shallow and deep clones are identical in functionality, differing only in naming conventions.