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Question 158 - DP-203 discussion

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HOTSPOT

You have an Azure Data Factory instance named ADF1 and two Azure Synapse Analytics workspaces named WS1 and WS2.

ADF1 contains the following pipelines:

P1: Uses a copy activity to copy data from a nonpartitioned table in a dedicated SQL pool of WS1 to an Azure Data Lake Storage Gen2 account P2: Uses a copy activity to copy data from text-delimited files in an Azure Data Lake Storage Gen2 account to a nonpartitioned table in a dedicated SQL pool of WS2

You need to configure P1 and P2 to maximize parallelism and performance.

Which dataset settings should you configure for the copy activity if each pipeline? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question 158
Correct answer: Question 158

Explanation:

Box 1: Set the Copy method to PolyBase

While SQL pool supports many loading methods including non-Polybase options such as BCP and SQL BulkCopy API, the fastest and most scalable way to load data is through PolyBase. PolyBase is a technology that accesses external data stored in Azure Blob storage or Azure Data Lake Store via the T-SQL language.

Box 2: Set the Copy method to Bulk insert

Polybase not possible for text files. Have to use Bulk insert.

Reference:

https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/load-data-overview

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asked 02/10/2024
Arturs Grigorjevs
42 questions
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