Câu 34: Databricks Certified Associate Developer for Apache Spark

The code block shown below contains an error. The code block is intended to print the schema of DataFrame storesDF. Identify the error. Code block:storesDF.printSchema

1. A. There is no printSchema member of DataFrame – schema and the print() function should be used instead.
2. B. The entire line needs to be a string – it should be wrapped by str().
3. C. There is no printSchema member of DataFrame – the getSchema() operation should be used instead.
4. D. There is no printSchema member of DataFrame – the schema() operation should be used instead.
5. E. The printSchema member of DataFrame is an operation and needs to be followed by parentheses. — đáp án hiện tại