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Question 495 - COF-C02 discussion

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Which function is used to convert rows in a relational table to a single VARIANT column?

A.
ARRAY_AGG
Answers
A.
ARRAY_AGG
B.
OBJECT_AGG
Answers
B.
OBJECT_AGG
C.
ARRAY_CONSTRUCT
Answers
C.
ARRAY_CONSTRUCT
D.
OBJECT_CONSTRUCT
Answers
D.
OBJECT_CONSTRUCT
Suggested answer: D

Explanation:

The OBJECT_CONSTRUCT function in Snowflake is used to convert rows in a relational table into a single VARIANT column that represents each row as a JSON object. This function dynamically creates a JSON object from a list of key-value pairs, where each key is a column name and each value is the corresponding column value for a row. This is particularly useful for aggregating and transforming structured data into semi-structured JSON format for further processing or analysis.

References:

Snowflake Documentation: Semi-structured Data Functions

asked 23/09/2024
Ray Hampson II
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