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Microsoft Exam DP-203 Topic 2 Question 49 Discussion
Actual exam question for
Microsoft's
DP-203 exam
Question #: 49
Topic #: 2
[All DP-203 Questions]
Topic #: 2
You have an Azure subscription that contains an Azure Blob Storage account named storage1 and an Azure Synapse Analytics dedicated SQL pool named Pool1.
You need to store data in storage1. The data will be read by Pool1. The solution must meet the following requirements:
Enable Pool1 to skip columns and rows that are unnecessary in a query.
Automatically create column statistics.
Minimize the size of files.
Which type of file should you use?
Suggested Answer:
B
Automatic creation of statistics is turned on for Parquet files. For CSV files, you need to create statistics manually until automatic creation of CSV files statistics is supported.
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-tables-statistics
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