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Database administrators play a crucial role in managing and maintaining databases within the Microsoft Azure environment. They are responsible for ensuring the smooth and efficient operation of databases, as well as maintaining data integrity and security. In the context of the Microsoft Azure Data Fundamentals exam, database administrators should possess a solid understanding of the following responsibilities.
Database administrators must be proficient in provisioning databases within the Azure environment. This involves creating and deploying databases using Azure services such as Azure SQL Database and Azure Cosmos DB. They should have knowledge of various deployment options, such as single database and elastic pools in Azure SQL Database.
CREATE DATABASE [DatabaseName]
Database administrators are responsible for ensuring the security and compliance of data stored within Azure databases. This includes implementing appropriate security measures to protect sensitive data, configuring role-based access control (RBAC), and utilizing Azure Active Directory for authentication and authorization.
GRANT SELECT, INSERT, UPDATE, DELETE ON [TableName] TO [UserRole]
Monitoring and optimizing the performance of Azure databases is another key responsibility of administrators. They should be proficient in using Azure Monitor and Azure SQL Database Performance Insight to identify and resolve performance bottlenecks. Additionally, they should have knowledge of techniques such as index optimization and query tuning to enhance database performance.
SELECT * FROM sys.dm_db_index_physical_stats(DB_ID(N'DatabaseName'), OBJECT_ID(N'TableName'), NULL, NULL, 'DETAILED')
Database administrators must implement effective backup and recovery strategies to ensure data availability and disaster recovery. They should be familiar with Azure Backup and Azure Site Recovery services, enabling regular backups and creating recovery plans to minimize data loss in case of system failures or disasters.
BACKUP DATABASE [DatabaseName] TO URL = '
Ensuring high availability and scalability of Azure databases is vital for database administrators. They should have knowledge of features such as Azure SQL Database geo-replication and Azure Cosmos DB multi-region writes to achieve high availability and global scalability.
ALTER DATABASE [DatabaseName] MODIFY (EDITION = 'Premium', MAXSIZE = 500 GB, SERVICE_OBJECTIVE = 'P4')
Database administrators should understand the various integration and storage options available within Azure. This includes knowledge of Azure Data Factory for data integration, Azure Data Lake Storage for big data analytics, and Azure Blob Storage for storing unstructured data.
CREATE EXTERNAL DATA SOURCE [DataSourceName] WITH (TYPE = HADOOP, LOCATION = '
Database administrators are responsible for troubleshooting and resolving issues related to Azure databases. This includes diagnosing connectivity problems, monitoring resource utilization, and analyzing query performance. Regular maintenance tasks such as applying updates and patches should also be performed.
SELECT * FROM sys.dm_exec_query_stats
In conclusion, database administrators play a vital role in managing Azure databases and ensuring their performance, security, and availability. To excel in the Microsoft Azure Data Fundamentals exam, database administrators should have a deep understanding of these responsibilities along with hands-on experience in implementing and managing Azure database services.
Correct answer: a, b, c
Correct answer: True
Correct answer: b
Correct answer: b, d
Correct answer: False
Correct answer: b
Correct answer: a
Correct answer: True
Correct answer: b
Correct answer: c
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