Exam Certified Data Engineer Associate topic 1 question 78 discussion

Actual exam question from Databricks's Certified Data Engineer Associate

Question #: 78
Topic #: 1

[All Certified Data Engineer Associate Questions]

A data engineer is using the following code block as part of a batch ingestion pipeline to read from a composable table:

Which of the following changes needs to be made so this code block will work when the transactions table is a stream source?

A. Replace predict with a stream-friendly prediction function
B. Replace schema(schema) with option ("maxFilesPerTrigger", 1)
C. Replace "transactions" with the path to the location of the Delta table
D. Replace format("delta") with format("stream")
E. Replace spark.read with spark.readStream

Show Suggested Answer

Suggested Answer: E 🗳️

by meow_akk at Oct. 22, 2023, 5:43 a.m.

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benni_ale

9 months, 1 week ago

Selected Answer: E

E is ok

upvoted 2 times

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AndreFR

1 year, 1 month ago

Selected Answer: E

https://docs.databricks.com/en/structured-streaming/tutorial.html#use-auto-loader-to-read-streaming-data-from-object-storage

upvoted 2 times

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55f31c8

1 year, 2 months ago

Selected Answer: E

Example from https://docs.databricks.com/en/structured-streaming/delta-lake.html spark.readStream.table("table_name") spark.readStream.load("/path/to/table")

upvoted 4 times

in89_io_90

1 year, 2 months ago

have you cleared the exam

upvoted 2 times

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meow_akk

1 year, 3 months ago

Ans E; for streaming source you use readstream. https://docs.databricks.com/en/structured-streaming/delta-lake.html

upvoted 3 times

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