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Microsoft DP-300 certification exam is ideal for database administrators, database developers, and IT professionals who work with Microsoft Azure. Administering Relational Databases on Microsoft Azure certification exam is a great way to enhance your career prospects and demonstrate your expertise to potential employers. By passing the DP-300 Exam, you will become a Microsoft Certified: Azure Database Administrator Associate, which is a highly respected certification in the industry.
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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q245-Q250):
NEW QUESTION # 245
You are designing an enterprise data warehouse in Azure Synapse Analytics that will store website traffic analytics in a star schema.
You plan to have a fact table for website visits. The table will be approximately 5 GB.
You need to recommend which distribution type and index type to use for the table. The solution must provide the fastest query performance.
What should you recommend? 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, table, chat or text message Description automatically generated
Box 1: Hash
Consider using a hash-distributed table when:
The table size on disk is more than 2 GB.
The table has frequent insert, update, and delete operations.
Box 2: Clustered columnstore
Clustered columnstore tables offer both the highest level of data compression and the best overall query performance.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-distribu
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-index
NEW QUESTION # 246
You have a failover cluster deployed to Microsoft Azure virtual machines.
You plan to deploy a new Microsoft SQL instance to the cluster.
The instance will host one database that has 10 file groups.
You provision 10 disks for the instance.
You need to recommend a storage solution that always provides the fastest possible reads for the database.
What should you include in the recommendation?
Answer: B
NEW QUESTION # 247
A data engineer creates a table to store employee information for a new application. All employee names are in the US English alphabet. All addresses are locations in the United States. The data engineer uses the following statement to create the table.
You need to recommend changes to the data types to reduce storage and improve performance.
Which two actions should you recommend? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Answer: A,E
Explanation:
Section: [none]
NEW QUESTION # 248
You have a database on a SQL Server on Azure Virtual Machines instance.
The current state of Query Store for the database is shown in the following exhibit.
Answer:
Explanation:
NEW QUESTION # 249
You have an Azure SQL database named DB1 in the General Purpose service tier.
The performance metrics for DB1 are shown in the following exhibit.
You need to reduce the Log 10 percentage. The solution must minimize costs.
What should you do?
Answer: B
NEW QUESTION # 250
......
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