One-Pager · 8 Services
Azure
Databases
Every Azure database service on one page — relational, NoSQL, in-memory, and time-series. A quick reference for architects choosing a data platform.
Relational
Azure SQL Database
Fully managed SQL Server engine. Serverless and provisioned tiers. Auto-tuning, built-in HA, geo-replication. Elastic pools for multi-tenant.
OLTPSQL ServerServerlessElastic pools
SQL Managed Instance
Near 100% SQL Server compatibility in a managed service. VNet-native, SQL Agent, cross-database queries. Best for migration from on-prem SQL Server.
SQL migrationFull compatVNet-nativeSQL Agent
Azure Database for PostgreSQL
Managed PostgreSQL — Flexible Server. Custom maintenance windows, HA with zone redundancy, intelligent tuning. Extensions support.
PostgreSQLOpen sourceFlexible ServerZone HA
Azure Database for MySQL
Managed MySQL — Flexible Server. HA across availability zones, read replicas, automatic backups, data-in replication from on-prem.
MySQLOpen sourceRead replicasZone HA
NoSQL & Specialized
Azure Cosmos DB
Globally distributed multi-model database. Single-digit ms reads at 99th percentile. APIs for NoSQL, MongoDB, Cassandra, Gremlin, Table.
Global distributionMulti-model<10ms reads5 consistency levels
Azure Managed Redis
In-memory data store for caching, session management, and real-time analytics. Redis 6.x compatible. Clustered and geo-replicated tiers.
CachingSession storeIn-memorySub-ms latency
Azure Data Explorer
Fast analytics engine for telemetry, logs, and IoT data. KQL query language. Ingests millions of events/second. Interactive dashboards.
Log analyticsIoT telemetryKQLReal-time
Azure Cosmos DB for MongoDB
Fully managed MongoDB-compatible API on Cosmos DB infrastructure. Global distribution and elastic scale with familiar MongoDB drivers.
MongoDB appsGlobal scalevCore modelWire protocol
Quick Comparison
| Service | Type | Best For | HA Model | Min Cost |
|---|
| SQL Database | Relational | OLTP, multi-tenant, serverless | Zone redundant | ~$5/mo (serverless) |
| SQL Managed Instance | Relational | SQL Server migration | Always On AG | ~$350/mo |
| PostgreSQL | Relational | Open source, extensions | Zone redundant | ~$13/mo |
| MySQL | Relational | Open source, web apps | Zone redundant | ~$13/mo |
| Cosmos DB | Multi-model | Global, multi-region, low latency | Multi-region writes | ~$25/mo (serverless) |
| Managed Redis | In-memory | Caching, sessions, pub/sub | Geo-replication | ~$16/mo (C0) |
| Data Explorer | Analytics | Telemetry, logs, IoT | Multi-AZ | ~$200/mo |