Câu 57: Databricks Certified Associate Developer for Apache Spark
The code block shown below should efficiently perform a broadcast join of DataFrame storesDF and the much larger DataFrame employeesDF using key column storeId. Choose the response that correctly fills in the numbered blanks within the code block to complete this task. Code block:__1__.join(__2__(__3__), "storeId")
Nội dung câu hỏi
The code block shown below should efficiently perform a broadcast join of DataFrame storesDF and the much larger DataFrame employeesDF using key column storeId. Choose the response that correctly fills in the numbered blanks within the code block to complete this task. Code block:__1__.join(__2__(__3__), "storeId")
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. 1. employeesDF2. broadcast3. storesDF — đáp án hiện tại
- B. 1. broadcast(employeesDF)2. broadcast3. storesDF
- C. 1. broadcast2. employeesDF3. storesDF
- D. 1. storesDF2. broadcast3. employeesDF
- E. 1. broadcast(storesDF)2. broadcast3. employeesDF
Cộng đồng
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