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Download Administering Relational Databases on Microsoft Azure Exam Dumps
NEW QUESTION 31
You plan to create a table in an Azure Synapse Analytics dedicated SQL pool.
Data in the table will be retained for five years. Once a year, data that is older than five years will be deleted.
You need to ensure that the data is distributed evenly across partitions. The solutions must minimize the amount of time required to delete old data.
How should you complete the Transact-SQL statement? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all.
You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/statements/create-table-azure-sql-data-warehouse
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/best-practices-dedicated-sql-pool
NEW QUESTION 32
You create all of the tables and views for ResearchDB1.
You need to implement security for ResearchDB1. The solution must meet the security and compliance requirements.
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 – Register ResearchApp1 to Azure AD.
2 – Create an Azure Key Vault instance and configure an access policy.
3 – Run the Always Encrypted wizard.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/always-encrypted-azure-key-vault-configure?tabs=azure-powershell
NEW QUESTION 33
You deploy a database to an Azure SQL Database managed instance.
D18912E1457D5D1DDCBD40AB3BF70D5D
You need to prevent read queries from blocking queries that are trying to write to the database.
Which database option should set?
- A. READ_COMMITTED_SNAPSHOT to ON
- B. PARAMETERIZATION to SIMPLE
- C. Delayed Durability to Forced
- D. PARAMETERIZATION to FORCED
Answer: A
Explanation:
In SQL Server, you can also minimize locking contention while protecting transactions from dirty reads of uncommitted data modifications using either:
The READ COMMITTED isolation level with the READ_COMMITTED_SNAPSHOT database option set to ON.
The SNAPSHOT isolation level.
If READ_COMMITTED_SNAPSHOT is set to ON (the default on SQL Azure Database), the Database Engine uses row versioning to present each statement with a transactionally consistent snapshot of the data as it existed at the start of the statement. Locks are not used to protect the data from updates by other transactions.
Incorrect Answers:
A: When the PARAMETERIZATION database option is set to SIMPLE, the SQL Server query optimizer may choose to parameterize the queries. This means that any literal values that are contained in a query are substituted with parameters. This process is referred to as simple parameterization. When SIMPLE parameterization is in effect, you cannot control which queries are parameterized and which queries are not.
B: You can specify that all queries in a database be parameterized by setting the PARAMETERIZATION database option to FORCED. This process is referred to as forced parameterization.
C: Delayed transaction durability is accomplished using asynchronous log writes to disk. Transaction log records are kept in a buffer and written to disk when the buffer fills or a buffer flushing event takes place. Delayed transaction durability reduces both latency and contention within the system.
Some of the cases in which you could benefit from using delayed transaction durability are:
You can tolerate some data loss.
You are experiencing a bottleneck on transaction log writes.
Your workloads have a high contention rate.
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/statements/set-transaction-isolation-level-transact-sql
NEW QUESTION 34
You are provisioning an Azure SQL database in the Azure portal as shown in the following exhibit.
Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/serverless-tier-overview
NEW QUESTION 35
You are planning the migration of the SERVER1 databases. The solution must meet the business requirements.
What should you include in the migration plan? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Azure Database Migration service
Box 1: Premium 4-VCore
Scenario: Migrate the SERVER1 databases to the Azure SQL Database platform.
* Minimize downtime during the migration of the SERVER1 databases.
Premimum 4-vCore is for large or business critical workloads. It supports online migrations, offline migrations, and faster migration speeds.
Incorrect Answers:
The Standard pricing tier suits most small- to medium- business workloads, but it supports offline migration only.
Box 2: A VPN gateway
You need to create a Microsoft Azure Virtual Network for the Azure Database Migration Service by using the Azure Resource Manager deployment model, which provides site-to-site connectivity to your on-premises source servers by using either ExpressRoute or VPN.
Reference:
https://azure.microsoft.com/pricing/details/database-migration/
https://docs.microsoft.com/en-us/azure/dms/tutorial-sql-server-azure-sql-online
NEW QUESTION 36
……
