Question 66

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?
  • Question 67

    You are implementing Azure Stream Analytics windowing functions.
    Which windowing function should you use for each requirement? To answer, select the appropriate options in the answer area.
    NOTE: Each correct selection is worth one point.

    Question 68

    You need to design a data storage structure for the product sales transactions. The solution must meet the sales transaction dataset requirements.
    What should you include in the solution? To answer, select the appropriate options in the answer area.
    NOTE: Each correct selection is worth one point.

    Question 69

    Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
    After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
    You are designing an Azure Stream Analytics solution that will analyze Twitter data.
    You need to count the tweets in each 10-second window. The solution must ensure that each tweet is counted only once.
    Solution: You use a hopping window that uses a hop size of 5 seconds and a window size 10 seconds.
    Does this meet the goal?
  • Question 70

    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.