A JSON document is stored in the source_colum of type VARIANT. The document has an array called elements. The array contains the name key that has a string value How can a Snowflake user extract the…

The correct answer is C. Source_column.element[1].name. In Snowflake, when dealing with semi-structured data such as a JSON document stored in a VARIANT column, the proper syntax to extract a value is to use the column name followed by the path to the specific element. Since arrays in JSON are zero-indexed, the first element is the…

Data Transformations

Question

A JSON document is stored in the source_colum of type VARIANT. The document has an array called elements. The array contains the name key that has a string value How can a Snowflake user extract the name from the first element?

Options

ASource_column.element[1]:name
BSource_column.element[0]:name
CSource_column.element[1].name
DSource_column.element[0]:name

How the community answered

(20 responses)

A
10% (2)
B
5% (1)
C
80% (16)
D
5% (1)

Explanation

In Snowflake, when dealing with semi-structured data such as a JSON document stored in a VARIANT column, the proper syntax to extract a value is to use the column name followed by the path to the specific element. Since arrays in JSON are zero-indexed, the first element is the correct syntax is Source_column:elements[0].name.

Topics

#JSON querying#VARIANT data type#Semi-structured data#Array indexing

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