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DP-203 Exam Revision Plan | DP-203 Latest Exam Preparation

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Microsoft Data Engineering on Microsoft Azure Sample Questions (Q258-Q263):

NEW QUESTION # 258
You use PySpark in Azure Databricks to parse the following JSON input.

You need to output the data in the following tabular format.

How should you complete the PySpark code? To answer, drag the appropriate values to he correct targets.
Each value may be used once, more than once or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:
Graphical user interface, text, application Description automatically generated

Box 1: select
Box 2: explode
Bop 3: alias
pyspark.sql.Column.alias returns this column aliased with a new name or names (in the case of expressions that return more than one column, such as explode).
Reference:
https://spark.apache.org/docs/latest/api/python/reference/api/pyspark.sql.Column.alias.html
https://docs.microsoft.com/en-us/azure/databricks/sql/language-manual/functions/explode

NEW QUESTION # 259
You are responsible for providing access to an Azure Data Lake Storage Gen2 account.
Your user account has contributor access to the storage account, and you have the application ID and access key.
You plan to use PolyBase to load data into an enterprise data warehouse in Azure Synapse Analytics.
You need to configure PolyBase to connect the data warehouse to storage account.
Which three components should you create in sequence? To answer, move the appropriate components from the list of components to the answer area and arrange them in the correct order.

Answer:

Explanation:

Explanation:

NEW QUESTION # 260
You have an Azure Data Lake Storage account that contains one CSV file per hour for January 1, 2020, through January 31, 2023. The files are partitioned by using the following folder structure.
csv/system1/{year}/{month)/{filename).csv
You need to query the files by using an Azure Synapse Analytics serverless SQL pool The solution must return the row count of each file created during the last three months of 2022.
How should you complete the query? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:

NEW QUESTION # 261
You are planning the deployment of Azure Data Lake Storage Gen2.
You have the following two reports that will access the data lake:
Report1: Reads three columns from a file that contains 50 columns.
Report2: Queries a single record based on a timestamp.
You need to recommend in which format to store the data in the data lake to support the reports. The solution must minimize read times.
What should you recommend for each report? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://streamsets.com/documentation/datacollector/latest/help/datacollector/UserGuide/Destinations/ADLS-G2-D.html

NEW QUESTION # 262
You need to output files from Azure Data Factory.
Which file format should you use for each type of output? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://www.datanami.com/2018/05/16/big-data-file-formats-demystified

NEW QUESTION # 263
......

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David Taylor David Taylor

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DP-203 Exam Revision Plan | DP-203 Latest Exam Preparation

100% Pass Quiz Unparalleled DP-203 Exam Revision Plan - Data Engineering on Microsoft Azure Latest Exam Preparation

Microsoft Data Engineering on Microsoft Azure Sample Questions (Q258-Q263):

2025 DP-203 – 100% Free Exam Revision Plan | High Pass-Rate Data Engineering on Microsoft Azure Latest Exam Preparation

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