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Databricks Certified Data Engineer Associate Exam - Topic 3 Question 47 Discussion

Actual exam question for Databricks's Databricks Certified Data Engineer Associate exam
Question #: 47
Topic #: 3
[All Databricks Certified Data Engineer Associate Questions]

A data engineer has configured a Structured Streaming job to read from a table, manipulate the data, and then perform a streaming write into a new table.

The code block used by the data engineer is below:

If the data engineer only wants the query to process all of the available data in as many batches as required, which of the following lines of code should the data engineer use to fill in the blank?

Show Suggested Answer Hide Answer
Suggested Answer: B

https://spark.apache.org/docs/latest/api/python/reference/pyspark.ss/api/pyspark.sql.streaming.DataStreamWriter.trigger.html


by Laurena at Mar 23, 2025, 12:07 AM

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Arminda
3 months ago
I’m leaning towards D too, seems like a solid option.
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Ashley
3 months ago
Definitely agree with B, it processes all available data.
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Simona
3 months ago
I think option B is the right choice!
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Lai
4 months ago
Wait, what does "trigger(continuous='once')" even mean? Sounds weird!
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Hillary
4 months ago
Not so sure about B, what about option D?
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Colene
4 months ago
I recall that "trigger(continuous='once')" is more about continuous processing, so I don't think that's it.
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Chanel
4 months ago
I feel like "trigger(processingTime='once')" could be the right choice since it processes everything in one go, but I need to double-check.
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Carlene
5 months ago
I think "trigger(availableNow=True)" sounds familiar, but I might be mixing it up with another question we practiced.
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Nicolette
5 months ago
I remember that for processing all available data, the trigger option is key, but I'm not sure which one fits best.
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Rosenda
5 months ago
The wording of the question is a bit tricky, but I think option D, "trigger(processingTime='once')", is the correct answer. That should process all the available data in a single batch.
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Nichelle
5 months ago
I think the key here is that the data engineer wants to process all the data, not just the latest batch. Based on that, I'm leaning towards option B, "trigger(availableNow=True)".
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Willow
5 months ago
Okay, let's think this through step-by-step. The data engineer wants to process all the available data in as many batches as required, so I'm guessing the answer has to do with the trigger option.
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Maryln
6 months ago
Hmm, I'm a bit confused by the different trigger options. I'll need to review the Structured Streaming documentation to make sure I understand the differences between them.
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Vicente
6 months ago
This looks like a pretty straightforward Structured Streaming question. I'm confident I can figure this out.
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Frederica
11 months ago
Hmm, this question is like a riddle wrapped in an enigma, wrapped in a batch of data. I'm going to go with my gut and choose D) trigger(processingTime=once). It just feels right, you know?
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Micaela
10 months ago
User 2: Yeah, that option does seem like the best fit for processing all available data.
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Vilma
11 months ago
User 1: I think D) trigger(processingTime=once) is the right choice.
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Lakeesha
12 months ago
I'm just going to flip a coin. Heads, I choose A) processingTime(1), and tails, I choose C) trigger(parallelBatch=True). Whichever option wins, I'm sure it'll be the right one. *wink wink*
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Cassandra
10 months ago
Just make sure to keep an eye on the processing time to ensure everything runs smoothly.
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Lauran
10 months ago
I'm sure it will work perfectly for your Structured Streaming job.
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Alyssa
11 months ago
Nice! That option will process all the available data in as many batches as required.
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Tennie
11 months ago
Heads! Looks like you're going with A) processingTime(1). Good choice!
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Brianne
12 months ago
I think both D and E could work, but I would go with D as well. It seems more straightforward for processing all available data.
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Leslee
12 months ago
Hmm, that's an interesting point. I can see why you would choose that option.
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Keith
12 months ago
This is a tricky one. I'm going to go with E) trigger(continuous=once). It sounds like it would process the data continuously until there's no more left.
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Paola
12 months ago
I'm not sure about this one. The question is a bit confusing, but I'm leaning towards B) trigger(availableNow=True). It seems like it would process all the available data at once.
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Lavonda
11 months ago
Yes, B) trigger(availableNow=True) seems like the right choice for processing all available data in one shot.
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Adrianna
11 months ago
I agree, B) trigger(availableNow=True) makes sense for processing all available data in one go.
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Kimi
11 months ago
I think B) trigger(availableNow=True) is the correct option. It should process all available data at once.
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Tawna
1 year ago
I think the answer should be D) trigger(processingTime=once). It's the only option that mentions processing all available data in a single batch.
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Justine
11 months ago
Yes, D) trigger(processingTime=once) is the best option for processing all available data in a single batch.
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Nan
11 months ago
I agree, D) trigger(processingTime=once) seems like the correct choice for processing all available data in a single batch.
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Dean
11 months ago
I think the answer should be D) trigger(processingTime=once). It's the only option that mentions processing all available data in a single batch.
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Benedict
1 year ago
I disagree, I believe the answer is E) trigger(continuous=`once`). This option seems more suitable for processing all available data.
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Leslee
1 year ago
I think the answer is D) trigger(processingTime=`once`). It makes sense to process all available data in one batch.
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