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Microsoft Updated DP-203 Exam Questions and Answers by gianna

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Microsoft DP-203 Exam Overview :

Exam Name: Data Engineering on Microsoft Azure
Exam Code: DP-203 Dumps
Vendor: Microsoft Certification: Microsoft Certified: Azure Data Engineer Associate
Questions: 355 Q&A's Shared By: gianna
Question 32

You have an Azure Synapse Analytics dedicated SQL pool that contains a large fact table. The table contains 50 columns and 5 billion rows and is a heap.

Most queries against the table aggregate values from approximately 100 million rows and return only two columns.

You discover that the queries against the fact table are very slow.

Which type of index should you add to provide the fastest query times?

Options:

A.

nonclustered columnstore

B.

clustered columnstore

C.

nonclustered

D.

clustered

Discussion
Question 33

You have an enterprise data warehouse in Azure Synapse Analytics.

Using PolyBase, you create an external table named [Ext].[Items] to query Parquet files stored in Azure Data Lake Storage Gen2 without importing the data to the data warehouse.

The external table has three columns.

You discover that the Parquet files have a fourth column named ItemID.

Which command should you run to add the ItemID column to the external table?

Questions 33

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Discussion
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Question 34

You plan to build a structured streaming solution in Azure Databricks. The solution will count new events in five-minute intervals and report only events that arrive during the interval. The output will be sent to a Delta Lake table.

Which output mode should you use?

Options:

A.

complete

B.

update

C.

append

Discussion
Question 35

You have an Azure Synapse Analytics serverless SQL pool, an Azure Synapse Analytics dedicated SQL pool, an Apache Spark pool, and an Azure Data Lake Storage Gen2 account.

You need to create a table in a lake database. The table must be available to both the serverless SQL pool and the Spark pool.

Where should you create the table, and Which file format should you use for data in the table? TO answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Questions 35

Options:

Discussion
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