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Writing to a path that exists

You run df.write.parquet("s3://lake/sales/") without setting a mode, and the path already has data. What happens?

A.The new data is appended to the old filesB.The old data is replaced with the new dataC.Spark writes to a new folder with a suffixD.The write fails with an error that the path exists

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Writing to a path that exists

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