单项选择题
A.Spark SQLB.Spark StreamingC.PySparkD.SparkC
A.MEMORY_ONLYB.MEMORY_AND_DISKC.MEMORY_ONLY_SERD.MEMORY_AND_DISK_SER
A.sc.fromArray(data)B.sc.parallelize(data)C.sc.copyFromArray(data)D.sc.rdd(data)
A.mapB.distinctC.groupByKeyD.reduceByKey
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