Câu 77: Databricks Certified Associate Developer for Apache Spark

Which of the following code blocks returns a DataFrame containing only the rows from DataFrame storesDF where the value in column sqft is less than or equal to 25,000 AND the value in column customerSatisfaction is greater than or equal to 30?

1. A. storesDF.filter(col("sqft") = 30)
2. B. storesDF.filter(col("sqft") = 30)
3. C. storesDF.filter(sqft) = 30)
4. D. storesDF.filter(col("sqft") = 30) — đáp án hiện tại
5. E. storesDF.filter(sqft = 30)