Azure Database for MySQL Skill

This skill provides expert guidance for Azure Database for MySQL. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. It combines local quick-reference content with remote documentation fetching capabilities.

How to Use This Skill

IMPORTANT for Agent: Use the Category Index below to locate relevant sections. For categories with line ranges (e.g., L35-L120), use read_file with the specified lines. For categories with file links (e.g., [security.md](security.md)), use read_file on the linked reference file

IMPORTANT for Agent: If metadata.generated_at is more than 3 months old, suggest the user pull the latest version from the repository. If mcp_microsoftdocs tools are not available, suggest the user install it: Installation Guide

This skill requires network access to fetch documentation content:

• Preferred: Use mcp_microsoftdocs:microsoft_docs_fetch with query string from=learn-agent-skill. Returns Markdown.
• Fallback: Use fetch_webpage with query string from=learn-agent-skill&accept=text/markdown. Returns Markdown.

Category Index

Category	Lines	Description
Troubleshooting	L37-L53	Diagnosing and fixing MySQL Flexible Server issues: connectivity, performance (CPU/memory/queries), capacity, corruption, replication latency, CLI errors, and using logs/self-heal tools.
Best Practices	L54-L72	Best practices for monitoring, performance tuning, benchmarking, troubleshooting, BCDR, safe operations (restart/delete), read replicas, and migration/after-migration optimization for Azure MySQL.
Decision Making	L73-L89	Guidance for planning MySQL on Azure: version policy, HA/DR and business continuity, sizing and tiers, performance baselines, and choosing/migrating/ upgrading to Flexible Server.
Architecture & Design Patterns	L90-L96	Patterns for connecting AKS to MySQL Flexible Server, designing backup/restore, data-in/out replication, high availability (zone-redundant), and read-replica-based scaling.
Limits & Quotas	L97-L105	Limits, quotas, and performance caps for MySQL Flexible Server: max connections/cores/IOPS, storage IOPS behavior, quota increase requests, restart/stop limits, and delete/restore time limits.
Security	L106-L130	Securing Azure MySQL: network access (private link, firewall), TLS and cert rotation, audit logging, encryption (CMK), Entra auth, and secure user management during/after migration.
Configuration	L131-L161	Configuring Azure Database for MySQL Flexible Server: parameters, HA, networking, logging, monitoring, alerts, maintenance windows, replication, scaling, backups, and read replicas.
Integrations & Coding Patterns	L162-L173	Connecting apps and tools to MySQL Flexible Server (CLI, JDBC, Power BI), managing connection strings, and migrating MySQL data from RDS, on-prem/VM, or large databases using various tools.
Deployment	L174-L183	Automating MySQL Flexible Server deployments and changes (Azure Pipelines, GitHub Actions, Automation), handling backups, geo-restore, version upgrades, and scheduled maintenance.

Troubleshooting

Topic	URL
Use MySQL Flexible Server error logs for troubleshooting	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-error-logs
Resolve database corruption in Azure MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-fix-corrupt-database
Use self-heal to automatically repair MySQL flexible server issues	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-self-heal
Troubleshoot Azure CLI issues for MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-cli-errors
Diagnose and fix MySQL flexible server connection issues	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-common-connection-issues
Troubleshoot common migration and usage errors in MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-common-errors
Troubleshoot connectivity issues and connection handling in MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-connectivity-issues
Troubleshoot high CPU utilization in MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-high-cpu-utilization
Troubleshoot low memory issues in MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-low-memory-issues
Troubleshoot query performance issues in MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-query-performance-new
Diagnose and fix MySQL flexible server capacity errors	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/resolve-capacity-errors
Use Query Performance Insight to diagnose Azure MySQL queries	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/tutorial-query-performance-insights
Troubleshoot replication latency on MySQL flexible server read replicas	https://learn.microsoft.com/en-us/azure/mysql/how-to-troubleshoot-replication-latency

Best Practices

Topic	URL
Implement monitoring best practices for MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concept-monitor-best-practices
Apply operational best practices for Azure Database for MySQL	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concept-operation-excellence-best-practices
Run performance benchmarks on Azure MySQL flexible server effectively	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concept-perf-benchmark-best-practices
Optimize performance of Azure MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concept-performance-best-practices
Use Azure Monitor and Advisor for MySQL business continuity	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-business-continuity-advisor-monitor
Configure and manage read replicas in Azure MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-read-replicas
Apply troubleshooting best practices for MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-troubleshooting-best-practices
Prevent and recover accidental deletion of MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-prevent-recover-accidental-delete
Restart Azure MySQL Flexible Server safely via portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-restart-server-portal
Profile and optimize MySQL flexible server queries using EXPLAIN	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-query-performance
Use sys_schema to diagnose performance issues in MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-troubleshoot-sys-schema
Execute data migration from on-premises MySQL to Azure	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/08-data-migration
Manage Azure Database for MySQL after migration	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/10-post-migration-management
Optimize Azure Database for MySQL performance after migration	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/11-optimization
Design BCDR for Azure Database for MySQL migrations	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/12-business-continuity-and-disaster-recovery

Decision Making

Topic	URL
Apply Azure Database for MySQL version support policy	https://learn.microsoft.com/en-us/azure/mysql/concepts-version-policy
Choose and purchase MySQL Flexible Server reserved capacity	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concept-reserved-pricing
Plan business continuity for MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-business-continuity
High availability FAQ and choices for MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-high-availability-faq
Select MySQL Flexible Server service tiers and storage	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-service-tiers-storage
Perform minimal-downtime MySQL migration to Azure flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-migrate-online
Plan and execute Azure MySQL major version upgrades	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-upgrade
Plan Azure Database for MySQL major version upgrades	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-upgrade-faq
Plan and execute MySQL migration to Azure Database	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/01-mysql-migration-guide-intro
Assess on-premises MySQL for migration to Azure	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/03-assessment
Plan Azure Database for MySQL migration landing zone	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/04-planning
Choose migration methods to Azure Database for MySQL	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/05-migration-methods
Establish performance baselines for MySQL migration to Azure	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/07-performance-baselines

Architecture & Design Patterns

Topic	URL
Connect Azure Kubernetes Service to MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-aks
Design data-in replication into MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-data-in-replication
Design data-out replication from MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-data-out-replication

Limits & Quotas

Topic	URL
Service limitations for Azure MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-limitations
Storage IOPS performance characteristics for MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-storage-iops
Request quota increases for Azure MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-request-quota-increase
Restore deleted Azure MySQL flexible servers within retention limits	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-restore-dropped-server
Restart, stop, and start MySQL flexible server with stop-duration limits	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-restart-stop-start

Security

Topic	URL
Use Private Link with Azure MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-networking-private-link
Configure public network access for MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-networking-public
Configure private network access for MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-networking-vnet
Configure Azure MySQL Private Link using Azure CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-networking-private-link-azure-cli
Deny public network access for Azure MySQL via portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-networking-private-link-deny-public-access
Secure Azure MySQL with Private Link using portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-networking-private-link-portal
Create and connect to MySQL Flexible Server with private access	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/quickstart-create-connect-server-vnet
Configure audit logging for MySQL flexible server via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-audit-logs
Configure and analyze audit logs for Azure MySQL	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/tutorial-configure-audit
Secure Azure Database for MySQL during and after migration	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/13-security
Use customer-managed keys for Azure MySQL encryption	https://learn.microsoft.com/en-us/azure/mysql/security/security-customer-managed-key
Configure Microsoft Entra authentication for Azure MySQL	https://learn.microsoft.com/en-us/azure/mysql/security/security-entra-authentication
Create and manage MySQL users securely in Azure	https://learn.microsoft.com/en-us/azure/mysql/security/security-how-to-create-users
Configure data encryption for Azure MySQL using CLI	https://learn.microsoft.com/en-us/azure/mysql/security/security-how-to-data-encryption-cli
Configure data-at-rest encryption in Azure MySQL portal	https://learn.microsoft.com/en-us/azure/mysql/security/security-how-to-data-encryption-portal
Configure Microsoft Entra authentication for Azure MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/security/security-how-to-entra
Configure Azure MySQL firewall rules with CLI	https://learn.microsoft.com/en-us/azure/mysql/security/security-how-to-manage-firewall-cli
Manage Azure MySQL firewall rules in portal	https://learn.microsoft.com/en-us/azure/mysql/security/security-how-to-manage-firewall-portal
Connect securely to Azure MySQL using TLS	https://learn.microsoft.com/en-us/azure/mysql/security/security-tls-how-to-connect
Manage root certificate rotation for Azure MySQL TLS	https://learn.microsoft.com/en-us/azure/mysql/security/security-tls-root-certificate-rotation
FAQ for Azure MySQL TLS certificate rotation	https://learn.microsoft.com/en-us/azure/mysql/security/security-tls-root-certificate-rotation-faq

Configuration

Topic	URL
Use built-in stored procedures in MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-built-in-store-procedure
Configure monitoring and alerts for MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-monitor-mysql
Reference monitoring metrics for Azure Database for MySQL	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-monitor-mysql-reference
Configure server parameters for Azure MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-server-parameters
Set up metric-based alerts for Azure MySQL	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-alert-on-metric
Enable or disable zone redundant high availability via portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-configure-high-availability
Configure zone redundant high availability for Azure MySQL via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-configure-high-availability-cli
Configure MySQL flexible server parameters via Azure CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-configure-server-parameters-cli
Configure MySQL Flexible Server parameters in Azure portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-configure-server-parameters-portal
Configure data-in replication into Azure MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-data-in-replication
Configure data-out replication from Azure MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-data-out-replication
Configure scheduled maintenance windows for Azure MySQL	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-maintenance-portal
Configure private VNet connectivity for Azure MySQL via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-manage-virtual-network-cli
Configure private VNet connectivity for Azure MySQL via portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-manage-virtual-network-portal
Create and manage Azure MySQL read replicas using CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-read-replicas-cli
Create and manage Azure MySQL read replicas via portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-read-replicas-portal
List and download Azure MySQL server logs using CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-server-logs-cli
Enable and download Azure MySQL server logs via portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-server-logs-portal
List and modify MySQL flexible server parameters via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-change-server-parameters
Create MySQL flexible server with VNet private access via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-create-connect-private-access
Configure public access and firewall for MySQL flexible server via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-create-connect-public-access
Monitor and scale MySQL flexible server compute, storage, and IOPS	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-monitor-and-scale
Create and manage MySQL flexible server read replicas via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-read-replicas
Restore Azure MySQL flexible server to a point in time via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-restore-server
Configure same-zone high availability for MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-same-zone-ha
Configure slow query logging for MySQL flexible server via CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-slow-query-logs
Configure zone-redundant high availability for MySQL flexible server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/scripts/sample-cli-zone-redundant-ha

Integrations & Coding Patterns

Topic	URL
Use Azure CLI commands to connect to MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/connect-azure-cli
Connect Java applications to MySQL Flexible Server with JDBC	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/connect-java
Connect Azure MySQL Flexible Server to Power BI Desktop	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/connect-with-powerbi-desktop
Migrate Amazon RDS MySQL to Azure flexible server using data-in replication	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-migrate-rds-mysql-data-in-replication
Store MySQL Flexible Server connection strings in Azure Key Vault	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/tutorial-add-mysql-connection-in-key-vault
Migrate large MySQL databases with mydumper/myloader	https://learn.microsoft.com/en-us/azure/mysql/migrate/concepts-migrate-mydumper-myloader
Migrate on-premises or VM MySQL to Azure flexible server using Import CLI	https://learn.microsoft.com/en-us/azure/mysql/migrate/migrate-external-mysql-import-cli
Migrate MySQL data to Azure using MySQL Workbench	https://learn.microsoft.com/en-us/azure/mysql/migrate/mysql-on-premises-azure-db/09-data-migration-with-mysql-workbench

Deployment

Topic	URL
Configure Azure Pipelines task for Azure MySQL deployments	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/azure-pipelines-deploy-database-task
Plan for scheduled maintenance on MySQL Flexible Server	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/concepts-maintenance
Create Azure Automation tasks for MySQL Flexible Server management	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/create-automation-tasks
Move Azure MySQL Flexible Server between regions using geo-restore	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-move-regions
Restore Azure MySQL Flexible Server from backup using CLI	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-restore-server-cli
Restore Azure MySQL Flexible Server from backup via portal	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/how-to-restore-server-portal
Use GitHub Actions to deploy changes to Azure MySQL	https://learn.microsoft.com/en-us/azure/mysql/flexible-server/quickstart-mysql-github-actions