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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #160

DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #160: Real Exam Question with Answer & Explanation

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PySpark DataFrame Operations

Question

The code block shown below contains an error. The code block is intended to create a single- column DataFrame from Python list years which is made up of integers. Identify the error. Code block: spark.createDataFrame(years, IntegerType)

Options

  • AThe column name must be specified.
  • BThe years list should be wrapped in another list like [years] to make clear that it is a column rather
  • CThere is no createDataFrame operation in spark.
  • DThe IntegerType call must be followed by parentheses.
  • EThe IntegerType call should not be present - Spark can tell that list years is full of integers.

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Topics

#PySpark DataFrame API#Schema Inference#createDataFrame#Data Type Handling
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