Q: What is Azure DBA?
A: Azure DBA stands for Azure Database Administrator, responsible for managing and maintaining databases on the Azure platform.
Q: What are the responsibilities of an Azure DBA?
A: An Azure DBA is responsible for tasks such as database deployment, configuration, migration, performance monitoring, security, backup and restore, query optimization, and more.
Q: What are some Azure database services?
A: Azure provides various database services including SQL Database, Azure Cosmos DB, Azure Database for PostgreSQL, Azure Database for MySQL, and more.
Q: How do you deploy and configure Azure databases?
A: Azure databases can be deployed and configured using Azure portal, Azure CLI, or Azure Resource Manager templates.
Q: What are the migration strategies for Azure databases?
A: Azure database migration strategies include offline/online migrations, database export/import, Azure Database Migration Service, and Azure Data Migration Assistant.
Q: How do you monitor and tune performance in Azure databases?
A: Performance monitoring and tuning in Azure databases can be done using Azure Monitor, Query Performance Insight, Index Advisor, and intelligent performance features.
Q: How can high availability and disaster recovery be achieved in Azure databases?
A: High availability and disaster recovery in Azure databases can be achieved through features like Azure Availability Zones, Geo-replication, and automated backups.
Q: How is security and access control managed in Azure databases?
A: Security and access control in Azure databases are managed through features like firewall rules, virtual network service endpoints, and Azure Active Directory integration.
Q: How do you perform backup and restore operations in Azure databases?
A: Azure databases can be backed up and restored using automated backups, manual backups, or by exporting and importing data.
Q: How can you scale and plan capacity in Azure databases?
A: Scaling and capacity planning in Azure databases can be done by adjusting performance tiers, configuring auto-scaling, or using sharding techniques.
Q: How does data replication and synchronization work in Azure databases?
A: Data replication and sync in Azure databases can be achieved through features like active geo-replication, read replicas, and Azure Synapse Link.
Q: How do you optimize queries and indexing in Azure databases?
A: Query optimization and indexing in Azure databases involve techniques such as query performance tuning, index design, and statistics management.
Q: How can you automate database maintenance in Azure?
A: Database maintenance and automation in Azure can be accomplished using Azure Automation, PowerShell scripts, or Azure Logic Apps.
Q: What are the backup and recovery strategies for Azure databases?
A: Azure database backup and recovery strategies include regular backups, long-term retention backups, and geo-redundant backups.
Q: How do you troubleshoot performance issues in Azure databases?
A: Azure database performance troubleshooting involves analyzing query execution plans, using performance monitoring tools, and identifying resource bottlenecks.
Q: How is database security and compliance managed in Azure?
A: Database security and compliance in Azure involve features like Transparent Data Encryption, Azure Security Center, and auditing capabilities.
Q: How can you monitor and set alerts for Azure databases?
A: Azure databases can be monitored using Azure Monitor, and alerts can be set based on metrics, events, or custom log queries.
Q: What are the automation and DevOps practices for Azure databases?
A: Azure database automation and DevOps practices include infrastructure as code, continuous integration/continuous deployment (CI/CD), and configuration management.
Q: How do you approach database migration and modernization projects in Azure?
A: Database migration and modernization projects in Azure require careful planning, assessment of workloads, choosing the right migration method, and utilizing Azure services.
Q: How can you optimize costs for Azure databases?
A: Azure database cost optimization can be achieved by rightsizing databases, utilizing serverless options, leveraging reserved capacity, and optimizing storage usage.
Q: How do you perform performance benchmarking and testing in Azure databases?
A: Performance benchmarking and testing in Azure databases involve workload simulation, performance testing tools, and analyzing metrics and query performance.
Q: How is database auditing and compliance managed in Azure?
A: Azure provides auditing and compliance management features such as Azure SQL Database auditing, Azure Policy, and Azure Security Center.
Q: How can you integrate Azure databases with DevOps and CI/CD pipelines?
A: Azure databases can be integrated with DevOps and CI/CD pipelines using tools like Azure DevOps, Azure Pipelines, and Azure SQL Database deployment tools.
Q: How do you plan and execute disaster recovery for Azure databases?
A: Azure database disaster recovery planning involves configuring geo-replication, performing regular backups, and testing the recovery process.
Q: What are the high availability architectures for Azure databases?
A: High availability architectures for Azure databases include active geo-replication, failover groups, and utilizing availability sets or availability zones.
Q: How do you troubleshoot and resolve issues in Azure databases?
A: Troubleshooting and problem resolution in Azure databases involve analyzing logs, monitoring performance metrics, and utilizing Azure support resources.
Q: How is database schema design and optimization performed in Azure?
A: Database schema design and optimization in Azure involve techniques like normalization, denormalization, partitioning, and choosing appropriate data types.
Q: What are the query tuning techniques for Azure databases?
A: Query tuning techniques for Azure databases include index optimization, rewriting queries, using query hints, and leveraging query store features.
Q: What are the best practices for Azure database security?
A: Azure database security best practices include enforcing strong passwords, enabling auditing and threat detection, and applying least privilege access principles.
Q: What are the future trends in Azure database administration?
A: Future trends in Azure database administration include advancements in AI and machine learning, serverless architectures, and tighter integration with DevOps practices.
