Free Databricks Databricks-Certified-Associate-Developer-for-Apache-Spark-3.0 Exam Questions
Absolute Free Databricks-Certified-Associate-Developer-for-Apache-Spark-3.0 Exam Practice for Comprehensive Preparation
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Databricks Databricks-Certified-Associate-Developer-for-Apache-Spark-3.0 Exam Questions
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Provided By: Databricks
- Exam: Databricks Certified Associate Developer for Apache Spark 3.0
- Certification: Apache Spark Associate Developer
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Total Questions: 420
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Updated On: Nov 12, 2024
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Rated: 4.9 |
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Online Users: 840
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Question 1
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You have a need to transform a column named ‘date’ to a timestamp format. Assume that the column ‘date’ is timestamp compatible. You have written the code blockdown below, but it contains an error. Identify and fix it.df.select(to_timestamp("yyyy-dd-MM", col("date"))).show()
Answer: D
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Question 2
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Which of the followings are useful use cases of spark ?
Answer: A
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Which of the followings are useful use cases of spark ?
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Question 3
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Which of the following is true for driver ?
Answer: C
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Which of the following is true for driver ?
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Question 4
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We have an unmanaged table “my_table”If we run the code block down belowspark.sql(“DROP TABLE IF EXISTS my_table”)What will happen to data in my_table ?
Answer: A
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Question 5
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Which of the following code blocks reorders the values inside the arrays in column attributes of DataFrameitemsDf from last to first one in the alphabet?1.+------+-----------------------------+-------------------+2.|itemId|attributes |supplier |3.+------+-----------------------------+-------------------+4.|1 |[blue, winter, cozy] |Sports Company Inc.|5.|2 |[red, summer, fresh, cooling]|YetiX |6.|3 |[green, summer, travel] |Sports Company Inc.|7.+------+-----------------------------+-------------------+
Answer: D
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