Azure SQL DB

Azure SQL Database (Azure SQL DB) is a fully managed, intelligent relational database service built on the SQL Server engine, offering scalable PaaS options for single databases, elastic pools, and hyperscale storage that automatically adjusts to workloads without infrastructure management. It includes AI-driven features like automatic tuning, advanced threat protection, query performance insights, and long-term retention (up to 10 years), supporting T-SQL, JSON, spatial data, and integrations with Azure AI, Synapse Analytics, and Power BI for modern apps. Available in DTU or vCore-based models across Basic, Standard, Premium, and Serverless tiers, it ensures 99.99% uptime SLA, geo-replication, and compliance with GDPR, HIPAA, and FedRAMP, making it ideal for migrating on-premises SQL Server workloads or building cloud-native applications in 2025.

Pricing starts with a free tier for dev/test (up to 100 DTUs, 32 GB storage) and pay-as-you-go options like Basic at $0.0068/hour (5 DTUs, 2 GB storage), scaling to Premium at $0.6251/hour (125 DTUs, 500 GB), or vCore plans from $0.52/vCore-hour in General Purpose—plus up to 55% savings via Azure Hybrid Benefit for existing licenses, reservations for 33% off compute, and serverless auto-pause to eliminate idle costs. With built-in high availability, zone redundancy, and no upfront commitments, Azure SQL DB reduces TCO by automating backups, patching, and scaling while delivering up to 68% better performance than competitors for transaction-heavy or analytics workloads.