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Answer: Determining if a value in a VARIANT column is a particular data type
Type predicates in Snowflake SQL are functions like IS_BOOLEAN, IS_NULL, IS_ARRAY, IS_OBJECT, etc., that specifically check whether a value in a VARIANT column is of a particular data type. This is confirmed by the community discussion where all comments unanimously select option C, with references to Snowflake documentation showing these functions are used to determine the type of values in semi-structured data. Option A (extracting data) is incorrect as that's done with functions like GET or :. Option B (casting values) is done with CAST or :: operators. Option D (manipulating objects/arrays) is performed with functions like ARRAY_INSERT or OBJECT_INSERT, not type predicates.
Author: LeetQuiz Editorial Team
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What are type predicates used for in Snowflake SQL?
A
Extracting data from a VARIANT column
B
Casting a value in a VARIANT column to a particular data type
C
Determining if a value in a VARIANT column is a particular data type
D
Manipulating objects and arrays in a VARIANT column
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