DatabricksCertified Associate Developer for Apache Spark
DataFrame Transformations ASSOCIATE-DEVELOPER-APACHE-SPARK Practice Questions (Page 2)
Part of the Developing Apache Spark™ DataFrame/DataSet API Applications domain, which accounts for 30% of the ASSOCIATE-DEVELOPER-APACHE-SPARK exam. Databricks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~11–18 in this domain), expect 2–4 from this objective — we provide 27 practice questions to prepare you well beyond it. (estimate)
Questions 6–10
- 6
Which function converts a Unix epoch timestamp (in seconds) to a formatted date string?
Select an answer first - 7
Which function extracts the day of the month from a date or timestamp column?
Select an answer first - 8
Which method removes duplicate rows from a DataFrame?
Select an answer first - 9
What is the default data type for a column when creating a DataFrame from a list of integers without specifying a schema?
Select an answer first - 10
Which function transforms an array column into multiple rows, one for each element of the array?
Select an answer first
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