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Download Administering Relational Databases on Microsoft Azure Exam Dumps

NEW QUESTION 45
You have a Microsoft SQL Server 2019 instance in an on-premises datacenter. The instance contains a 4-TB
database named DB1.
You plan to migrate DB1 to an Azure SQL Database managed instance.
What should you use to minimize downtime and data loss during the migration?

  • A. Database Migration Assistant
  • B. database mirroring
  • C. log shipping
  • D. distributed availability groups

Answer: D

Explanation:
Section: [none]
Explanation:
The Data Migration Assistant (DMA) helps you upgrade to a modern data platform by detecting compatibility
issues that can impact database functionality in your new version of SQL Server or Azure SQL Database. DMA
recommends performance and reliability improvements for your target environment and allows you to move
your schema, data, and uncontained objects from your source server to your target server.
Note: SQL Managed Instance supports the following database migration options (currently these are the only
supported migration methods):
* Azure Database Migration Service - migration with near-zero downtime.
* Native RESTORE DATABASE FROM URL - uses native backups from SQL Server and requires some
downtime.
Reference:
https://docs.microsoft.com/en-us/sql/dma/dma-overview

 

NEW QUESTION 46
You have an Azure Synapse Analytics dedicated SQL pool named Pool1 and an Azure Data Lake Storage Gen2 account named Account1.
You plan to access the files in Account1 by using an external table.
You need to create a data source in Pool1 that you can reference when you create the external table.
How should you complete the Transact-SQL statement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
DP-300-e1563d15411af6251569901d64cc0ad1.jpg

Answer:

Explanation:
DP-300-12c5deaefcf59105534b624896b68f97.jpg
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-tables-external-tables

 

NEW QUESTION 47
You manage an enterprise data warehouse in Azure Synapse Analytics.
Users report slow performance when they run commonly used queries. Users do not report performance changes for infrequently used queries.
You need to monitor resource utilization to determine the source of the performance issues.
Which metric should you monitor?

  • A. Cache hit percentage
  • B. Local tempdb percentage
  • C. Data Warehouse Units (DWU) used
  • D. DWU percentage

Answer: B

Explanation:
Section: [none]
Explanation:
Tempdb is used to hold intermediate results during query execution. High utilization of the tempdb database can lead to slow query performance.
Note: If you have a query that is consuming a large amount of memory or have received an error message related to allocation of tempdb, it could be due to a very large CREATE TABLE AS SELECT (CTAS) or INSERT SELECT statement running that is failing in the final data movement operation.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-manage- monitor#monitor-tempdb

 

NEW QUESTION 48
You have SQL Server on an Azure virtual machine that contains a database named Db1.
You need to enable automatic tuning for Db1.
How should you complete the statements? To answer, select the appropriate answer in the answer area.
NOTE: Each correct selection is worth one point.
DP-300-359e709f5d1bebf378b29a2cc23f012a.jpg

Answer:

Explanation:
DP-300-cf61531cb50b3eb5a236d7cfa616f4ee.jpg
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/automatic-tuning-enable

 

NEW QUESTION 49
You have an Azure Synapse Analytics dedicated SQL pool named Pool1 and an Azure Data Lake Storage Gen2 account named Account1.
You plan to access the files in Account1 by using an external table.
You need to create a data source in Pool1 that you can reference when you create the external table.
How should you complete the Transact-SQL statement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
DP-300-e1563d15411af6251569901d64cc0ad1.jpg

Answer:

Explanation:
DP-300-71c7c87d6c53e0e2c7829ab56423c2a5.jpg
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-tables-external-tables

 

NEW QUESTION 50
......

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