Exam DP-300 topic 1 question 19 discussion

DRAG DROP -
You are creating a managed data warehouse solution on Microsoft Azure.
You must use PolyBase to retrieve data from Azure Blob storage that resides in parquet format and load the data into a large table called FactSalesOrderDetails.
You need to configure Azure Synapse Analytics to receive the data.
Which four actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Select and Place:

Suggested Answer:
To query the data in your Hadoop data source, you must define an external table to use in Transact-SQL queries. The following steps describe how to configure the external table.
Step 1: Create a master key on database.
1. Create a master key on the database. The master key is required to encrypt the credential secret.
(Create a database scoped credential for Azure blob storage.)
Step 2: Create an external data source for Azure Blob storage.
2. Create an external data source with CREATE EXTERNAL DATA SOURCE..
Step 3: Create an external file format to map the parquet files.
3. Create an external file format with CREATE EXTERNAL FILE FORMAT.
Step 4. Create an external table FactSalesOrderDetails
4. Create an external table pointing to data stored in Azure storage with CREATE EXTERNAL TABLE.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/polybase/polybase-configure-azure-blob-storage