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Exam Certified Associate Developer for Apache Spark All Questions

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Exam Certified Associate Developer for Apache Spark topic 1 question 163 discussion

Actual exam question from Databricks's Certified Associate Developer for Apache Spark
Question #: 163
Topic #: 1
[All Certified Associate Developer for Apache Spark Questions]

The code block shown below should return a new DataFrame that is the result of an inner join between DataFrame storesDF and DataFrame employeesDF on column storeId and column employeeId. Choose the response that correctly fills in the numbered blanks within the code block to complete this task.

Code block:

storesDF.join(employeesDF, [__1__ == __2__, __3__ == __4__])

  • A. 1. storesDF.storeId
    2. storesDF.employeeId
    3. employeesDF.storeId
    4. employeesDF.employeeId
  • B. 1. col("storeId")
    2.col("storeId")
    3.col("employeeId")
    4. col("employeeId")
  • C. 1. storeId
    2. storeId
    3. employeeId
    4. employeeId
  • D. 1. col("storeId")
    2. col("employeeId")
    3. col("employeeId")
    4. col(''storeId")
  • E. 1. storesDF.storeId
    2. employeesDF.storeId
    3. storesDF.employeeId
    4. employeesDF.employeeId
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Suggested Answer: E 🗳️
by Sowwy1 at April 10, 2024, 5:49 p.m.

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Sowwy1
7 months, 2 weeks ago
E. 1. storesDF.storeId 2. employeesDF.storeId 3. storesDF.employeeId 4. employeesDF.employeeId
upvoted 1 times
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