Which function can be used with the copy into <location> statement to convent rows from a relational table to a single variant column, and to unload rows into a JSON file?

Question

Options

• AFLATTEN
• BOBJECT_AS
• COBJECT_CONSTRUCT
• DTO VARIANT

• B
  3% (1)
• C
  7% (2)
• D
  90% (26)

Explanation

The correct function to use with the COPY INTO <location> statement to convert rows from a relational table into a single variant column and to unload rows into a JSON file is TO VARIANT. The TO VARIANT function is used to explicitly convert a value of any supported data type into a VARIANT data type. This is particularly useful when needing to aggregate multiple columns or complex data structures into a single JSON-formatted string, which can then be unloaded into a file. In the context of unloading data, the COPY INTO <location> statement combined with TO VARIANT enables the conversion of structured data from Snowflake tables into a semi-structured VARIANT format, typically JSON, which can then be efficiently exported and stored. This approach is often utilized for data integration scenarios, backups, or when data needs to be shared in a format that is easily consumed by various applications or services that support JSON.

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