Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.
exam questions

Exam DP-200 All Questions

View all questions & answers for the DP-200 exam

Exam DP-200 topic 2 question 35 discussion

Actual exam question from Microsoft's DP-200
Question #: 35
Topic #: 2
[All DP-200 Questions]

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:

Show Suggested Answer Hide Answer
Suggested Answer:
Step 1: Create a master key on the database
Create a master key on the database. This is required to encrypt the credential secret.
Step 2: Create an external data source for Azure Blob storage
Create an external data source with CREATE EXTERNAL DATA SOURCE..
Step 3: Create an external file format to map parquet files.
Create an external file format with CREATE EXTERNAL FILE FORMAT.
FORMAT TYPE: Type of format in Hadoop (DELIMITEDTEXT, RCFILE, ORC, PARQUET).
Step 4: Create the external table FactSalesOrderDetails
To query the data in your Hadoop data source, you must define an external table to use in Transact-SQL queries.
Create an external table pointing to data stored in Azure storage with CREATE EXTERNAL TABLE.
Note: PolyBase is a technology that accesses and combines both non-relational and relational data, all from within SQL Server. It allows you to run queries on external data in Hadoop or Azure blob storage.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/polybase/polybase-configure-azure-blob-storage

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
hoangton
Highly Voted 3 years, 4 months ago
The answer is correct Step to Configure an external table 1. Create a master key on the database. The master key is required to encrypt the credential secret. 2. Create a database scoped credential for Azure blob storage. 3. Create an external data source with CREATE EXTERNAL DATA SOURCE.. 4. Create an external file format with CREATE EXTERNAL FILE FORMAT. 5. Create an external table pointing to data stored in Azure storage with CREATE EXTERNAL TABLE 6. Create statistics on an external table.
upvoted 5 times
...
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel
Loading ...