Answer-first summary for fast verification
Answer: Data skipping features require manual activation via the `delta.dataSkipping` table property as they are not enabled by default.
The correct answer is C because data skipping is automatically enabled on Delta tables, contrary to the statement that it requires manual activation. All other options accurately describe aspects of data skipping. For more details, refer to the documentation on Data Skipping for Delta tables.
Author: LeetQuiz Editorial Team
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Which of the following statements about data skipping is not accurate?
A
Data skipping on columns with long string values is a resource-intensive operation.
B
Including more columns to gather statistics increases the overhead when writing to delta tables enabled with data skipping.
C
Data skipping features require manual activation via the delta.dataSkipping table property as they are not enabled by default.
D
Data skipping enhances query performance by reducing the amount of data scanned.
E
For nested columns, each field is treated as a separate column during statistics collection.
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