MICROSOFT DP-300 ONLINE EXAM: ADMINISTERING RELATIONAL DATABASES ON MICROSOFT AZURE & LATEST MICROSOFT CERTIFICATION TRAINING

Microsoft DP-300 Online Exam: Administering Relational Databases on Microsoft Azure & Latest Microsoft Certification Training

Microsoft DP-300 Online Exam: Administering Relational Databases on Microsoft Azure & Latest Microsoft Certification Training

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q289-Q294):

NEW QUESTION # 289
You have a SQL pool in Azure Synapse that contains a table named dbo.Customers. The table contains a column name Email.
You need to prevent nonadministrative users from seeing the full email addresses in the Email column. The users must see values in a format of [email protected] instead.
What should you do?

  • A. From the Azure portal, set a mask on the Email column.
  • B. From the Azure portal, set a sensitivity classification of Confidential for the Email column.
  • C. From Microsoft SQL Server Management Studio, grant the SELECT permission to the users for all the columns in the dbo.Customers table except Email.
  • D. From Microsoft SQL Server Management Studio, set an email mask on the Email column.

Answer: B

Explanation:
Section: [none]
Explanation:
The Email masking method, which exposes the first letter and replaces the domain with XXX.com using a constant string prefix in the form of an email address.
Example: [email protected]


NEW QUESTION # 290
You have SQL Server on an Azure virtual machine.
You need to use Policy-Based Management in Microsoft SQL Server to identify stored procedures that do not comply with your naming conventions.
Which three 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.

Answer:

Explanation:

1 - create a custom condition based on a built-in facet.
2 - Create a custom policy based on a condition.
3 - Run a policy evaluation.
Reference:
https://www.mssqltips.com/sqlservertip/2298/enforce-sql-server-database-naming-conventions-using-policy-based-management/


NEW QUESTION # 291
You plan to develop a dataset named Purchases by using Azure Databricks. Purchases will contain the following columns:
ProductID
ItemPrice
LineTotal
Quantity
StoreID
Minute
Month
Hour
Year
Day
You need to store the data to support hourly incremental load pipelines that will vary for each StoreID. The solution must minimize storage costs.
How should you complete the code? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation
Graphical user interface, text, application Description automatically generated

Box 1: .partitionBy
Example:
df.write.partitionBy("y","m","d")
mode(SaveMode.Append)
parquet("/data/hive/warehouse/db_name.db/" + tableName)
Box 2: ("Year","Month","Day","Hour","StoreID")
Box 3: .parquet("/Purchases")
Reference:
https://intellipaat.com/community/11744/how-to-partition-and-write-dataframe-in-spark-without-deleting-partitio


NEW QUESTION # 292
You have an Azure Synapse Analytics workspace named WS1 that contains an Apache Spark pool named Pool1.
You plan to create a database named DB1 in Pool1.
You need to ensure that when tables are created in DB1, the tables are available automatically as external tables to the built-in serverless SQL pool.
Which format should you use for the tables in DB1?

  • A. JSON
  • B. CSV
  • C. Parquet
  • D. ORC

Answer: C

Explanation:
Section: [none]
Explanation:
Serverless SQL pool can automatically synchronize metadata from Apache Spark. A serverless SQL pool database will be created for each database existing in serverless Apache Spark pools.
For each Spark external table based on Parquet and located in Azure Storage, an external table is created in a serverless SQL pool database. As such, you can shut down your Spark pools and still query Spark external tables from serverless SQL pool.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-storage-files-spark-tables


NEW QUESTION # 293
From a website analytics system, you receive data extracts about user interactions such as downloads, link clicks, form submissions, and video plays.
The data contains the following columns:
You need to design a star schema to support analytical queries of the dat a. The star schema will contain four tables including a date dimension.
To which table should you add each column? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://docs.microsoft.com/en-us/power-bi/guidance/star-schema


NEW QUESTION # 294
......

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