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When unloading data using the COPY INTO <location> command, what is the purpose of the PARTITION BY clause?
COPY INTO <location>
PARTITION BY
A
To sort the contents of the output file by the specified expression.
B
To delimit the records in the output file using the specified expression.
C
To include a new column in the output using the specified window function expression.
D
To split the output into multiple files, one for each distinct value of the specified expression.