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Q21 Single choice

Which command overwrites an existing JSON file when writing a DataFrame?

A
df.write.mode("overwrite").json("path/to/file")
B
df.write.overwrite.json("path/to/file")
C
df.write.json("path/to/file", overwrite=True)
D
df.write.format("json").save("path/to/file", mode="append")

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