SnowPro Core Certification Exam Practice Questions
Snowflake COF-C02 Question Answer
When a Snowflake user loads CSV data from a stage, which copy into
command guideline should they follow?
A.
The CSV field delimiter must be a comma character (*,"),
B.
The number of columns in each row should be consistent.
C.
The data file in the stage must be in a compressed format.
D.
The data file must have the same number of columns as the target table.
The Answer Is:
B
This question includes an explanation.
Explanation:
When using theCOPY INTO <table>command to load CSV data from a stage into a Snowflake table, one of the crucial guidelines to follow is that the number of columns in each row within the CSV file should be consistent. This ensures data integrity and allows for a smooth data loading process, as Snowflake expects each row in the CSV file to map directly to a row in the target table based on the number of columns. If there's a mismatch in the number of columns between any row in the file and the target table, Snowflake might return an error or produce unexpected results during the load operation.
It's important to note that while the CSV field delimiter can be specified to something other than a comma, ensuring the consistency in the number of columns across all rows is fundamental to successfully loading data.
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