Free DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Web TestEngine Demo

Q49 Single choice

Which of the following code blocks creates a new DataFrame with two columns season and wind_speed_ms where column season is of data type string and column wind_speed_ms is of data type double?

A
spark.DataFrame({"season": ["winter","summer"], "wind_speed_ms": [4.5, 7.5]})
B
spark.createDataFrame([("summer", 4.5), ("winter", 7.5)], ["season", "wind_speed_ms"])
C
1. from pyspark.sql import types as T
2. spark.createDataFrame((("summer", 4.5), ("winter", 7.5)),
D
StructType([T.StructField("season", T.CharType()), T.StructField("season",
E
DoubleType())]))
F
spark.newDataFrame([("summer", 4.5), ("winter", 7.5)], ["season", "wind_speed_ms"])
G
spark.createDataFrame({"season": ["winter","summer"], "wind_speed_ms": [4.5, 7.5]})

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