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Azure offers a comprehensive range of database services. This lesson focuses on the two most important: Azure SQL Database for relational workloads and Azure Cosmos DB for globally distributed NoSQL workloads.
Azure SQL Database is a fully managed relational database service based on the Microsoft SQL Server engine. It handles patching, backups, monitoring, and high availability so you can focus on your application.
| Option | Description |
|---|---|
| Single Database | A standalone database with its own resources |
| Elastic Pool | Multiple databases sharing a pool of resources (cost-effective for variable workloads) |
| SQL Managed Instance | Near-100% compatibility with on-premises SQL Server (for lift-and-shift) |
| Model | Description |
|---|---|
| vCore | Choose the number of virtual cores, memory, and storage independently. Best for existing SQL Server users (Azure Hybrid Benefit applies). |
| DTU | Bundled measure of compute, storage, and I/O. Simpler pricing for predictable workloads. |
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