Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.
Mail Us[email protected]
Menu
Databricks Discussions
exam questions

Exam Certified Associate Developer for Apache Spark All Questions

View all questions & answers for the Certified Associate Developer for Apache Spark exam
Go to Exam

Exam Certified Associate Developer for Apache Spark topic 1 question 153 discussion

Actual exam question from Databricks's Certified Associate Developer for Apache Spark
Question #: 153
Topic #: 1
[All Certified Associate Developer for Apache Spark Questions]

Which of the following code blocks returns a new DataFrame with column storeReview where the pattern "End" has been removed from the end of column storeReview in DataFrame storesDF?

A sample DataFrame storesDF is below:

  • A. storesDF.withColumn("storeReview", col("storeReview").regexp_replace(" End$", ""))
  • B. storesDF.withColumn("storeReview", regexp_replace(col("storeReview"), " End$", ""))
  • C. storesDF.withColumn("storeReview”, regexp_replace(col("storeReview"), " End$"))
  • D. storesDF.withColumn("storeReview", regexp_replace("storeReview", " End$", ""))
  • E. storesDF.withColumn("storeReview", regexp_extract(col("storeReview"), " End$", ""))
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by saryu at Feb. 2, 2024, 1:09 p.m.

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
Submit Cancel
max_manfred
1 month, 1 week ago
the official documentation says pyspark.sql.functions.regexp_replace(str, pattern, replacement) Replace all substrings of the specified string value that match regexp with rep. so I think D is the only correct option
upvoted 1 times
...
jtu363
6 months ago
Selected Answer: B
B & D work
upvoted 2 times
...
SaiPavan10
7 months, 3 weeks ago
Selected Answer: B
B is the right choice
upvoted 2 times
...
azure_bimonster
9 months, 2 weeks ago
Selected Answer: B
B is right one it seems, col should be used
upvoted 1 times
...
saryu
9 months, 3 weeks ago
B also works right?
upvoted 3 times
...

Get IT Certification

Unlock free, top-quality video courses on ExamTopics with a simple registration. Elevate your learning journey with our expertly curated content. Register now to access a diverse range of educational resources designed for your success. Start learning today with ExamTopics!

Start Learning for free
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel