# Reference - [FAQs](https://mariadb.com/docs/mariadb-cloud/reference/faqs.md): Frequently asked questions about MariaDB Cloud: what it is, how it differs from self-managed MariaDB, deployment options, scaling, security, pricing, and migration paths. - [MariaDB Cloud Uptime SLA](https://mariadb.com/docs/mariadb-cloud/reference/uptime-sla.md): MariaDB Cloud uptime SLA: 99.95% per billing month for Foundation Tier multi-node, 99.995% for Power Tier, with service-credit remedies for downtime exceeding the target. - [Fractional DBA Service: Remote DBA](https://mariadb.com/docs/mariadb-cloud/reference/fractionaldba.md): Remote DBA is the optional Fractional DBA add-on for MariaDB Cloud: part-time access to database administrators for routine maintenance, troubleshooting, and migration advice. - [MariaDB Server Version Support](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-server-versions.md): MariaDB Server versions supported on MariaDB Cloud: 11.8, 11.4, 10.11, 10.6, and 10.5 (current minor versions), available across both serverless and provisioned deployments. - [Supported Backup Types](https://mariadb.com/docs/mariadb-cloud/reference/backup-support.md): MariaDB Cloud backup support reference: which backup types (full, incremental, dump, snapshot, PITR) are supported by each MariaDB Server version and deployment topology. - [MariaDB Cloud Instance Sizes](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-instance-sizes.md): MariaDB Cloud instance sizes: serverless instances autoscale between 1–2 SCUs (each MCU = 0.5 vCPU + 2 GB), and provisioned instances offer fixed sizes for predictable workloads. - [MariaDB Cloud Monitoring Metrics Reference](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-monitoring-metrics-reference.md): MariaDB Cloud monitoring metrics reference for the Portal: connections, CPU load, SQL command ratios, disk usage, QPS, replica lag, GTID position, and MaxScale-specific panels. - [MariaDB Cloud Region Choices](https://mariadb.com/docs/mariadb-cloud/reference/region-choices.md): MariaDB Cloud region choices across AWS, GCP, and Azure, listing each region's location, cloud provider, and supported service types (Provisioned and/or Serverless). - [MariaDB Cloud REST API Reference](https://mariadb.com/docs/mariadb-cloud/reference/rest-api-reference.md): MariaDB Cloud REST API reference: service provisioning, pricing/billing, configuration, user management, backup/restore scheduling, and lifecycle operations via swagger docs. - [MariaDB Cloud Stored Procedures](https://mariadb.com/docs/mariadb-cloud/reference/stored-procedures.md): MariaDB Cloud stored procedures for replication and DBA tasks, including change\_external\_primary for inbound replication from an external primary server via binary-log position. - [MariaDB Cloud API Reference Guide](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide.md): MariaDB Cloud REST API reference guide for the DBaaS Provisioning, Backup, and management APIs, with endpoint listings, authentication, and example requests. - [Authentication](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/authentication.md) - [Get Started](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/get-started.md) - [Offering](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/offering.md) - [Services](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/services.md) - [Copilot](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/copilot.md) - [Backups](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/backups.md) - [Restores](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/restores.md) - [Config](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/config.md) - [Users](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/users.md) - [Invites](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/invites.md) - [Organizations](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/organizations.md) - [Billing](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/billing.md) - [Notifications](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/notifications.md) - [Serverless](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/serverless.md) - [Progress](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/progress.md) - [Projects](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/projects.md) - [Roles](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/roles.md) - [Observability](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/observability.md) - [Models](https://mariadb.com/docs/mariadb-cloud/reference/mariadb-cloud-api-reference-guide/models.md) - [Pricing](https://mariadb.com/docs/mariadb-cloud/reference/pricing.md): MariaDB Cloud pricing is shown at service launch as an estimate based on usage parameters; actual costs may vary, and the displayed price is not a binding quote. - [Maintenance Windows](https://mariadb.com/docs/mariadb-cloud/reference/maintenance-windows.md): Maintenance windows for MariaDB Cloud — scheduled periods for hardware, software, or config changes: predefined per region on Foundation Tier, customer-selected on Power Tier. - [MaxScale Redundancy](https://mariadb.com/docs/mariadb-cloud/reference/maxscale-redundancy.md): MaxScale Redundancy is the optional MariaDB Cloud feature deploying MaxScale in active-active HA behind round-robin load balancing; available to Power Tier customers. - [Support](https://mariadb.com/docs/mariadb-cloud/reference/support.md): MariaDB Cloud support tiers: Foundation includes standard P3/P4 SLA support, Power adds 24x7 S1 response, Problem Resolution support, and direct Engineering Support. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. 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