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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 161 discussion

Actual exam question from Databricks's Certified Associate Developer for Apache Spark
Question #: 161
Topic #: 1
[All Certified Associate Developer for Apache Spark Questions]

The code block shown below should return a DataFrame containing a column openDateString, a string representation of Java’s SimpleDateFormat. Choose the response that correctly fills in the numbered blanks within the code block to complete this task.

Note that column openDate is of type integer and represents a date in the UNIX epoch format — the number of seconds since midnight on January 1st, 1970.

An example of Java’s SimpleDateFormat is "Sunday, Dec 4, 2008 1:05 pm".

A sample of storesDF is displayed below:



Code block:

storesDF.__1__("openDateString", __2__(__3__, __4__))

  • A. 1. withColumn
    2. from_unixtime
    3. col("openDate")
    4. “EEEE, MMM d, yyyy h:mm a"
  • B. 1. withColumn
    2. date_format
    3. col("openDate")
    4. "EEEE, mmm d, yyyy h:mm a"
  • C. 1. newColumn
    2. from_unixtinie
    3. "openDate"
    4. "EEEE, MMM d, yyyy h:mm a"
  • D. 1. withColumn
    2. from_unixtlme
    3. col("openDate")
    4. SimpleDateFormat
  • E. 1. withColumn
    2. from_unixtime
    3. col("openDate")
    4. "dw, MMM d, yyyy h:mm a"
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Suggested Answer: A 🗳️
by Sowwy1 at April 10, 2024, 4:10 p.m.

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Sowwy1
7 months, 2 weeks ago
A. 1. withColumn 2. from_unixtime 3. col("openDate") 4. “EEEE, MMM d, yyyy h:mm a"
upvoted 1 times
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