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Answer: BOOLEAN

Liquid clustering supports Date, Timestamp, TimestampNTZ, String, Integer, Long, Short, Float, Double, Decimal, and Byte. BOOLEAN is not supported as a clustering key because it has very low cardinality and is not useful for data skipping.

Author: LeetQuiz Editorial Team

Quick Answer

Answer-first summary for fast verification

Answer: BOOLEAN

Liquid clustering supports Date, Timestamp, TimestampNTZ, String, Integer, Long, Short, Float, Double, Decimal, and Byte. BOOLEAN is not supported as a clustering key because it has very low cardinality and is not useful for data skipping.

Author: LeetQuiz Editorial Team

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Which of the following cannot be used as a clustering key?

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0

A

STRING

8.3%

B

TIMESTAMPNTZ (Databricks Runtime 14.3 LTS or above)

18.3%

C

BOOLEAN

66.7%

D

DECIMAL

6.7%

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