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Databricks Spark Developer Associate Practice Questions - Databricks Certified Associate Developer For Apache Spark Exam
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Question Number 5
What does this PySpark code do? df.select('name', 'age').filter('age > 18').show()
Selects name and age columns, filters rows where age > 18, displays top rows
Updates name and age columns
Deletes rows where age > 18
Returns an error because filter uses a string
✔ Correct Answer:
Selects name and age columns, filters rows where age > 18, displays top rows
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