Compare tools
Pick 2–5 published tools. Values come from our evidence-checked profiles — an em-dash means unknown, never “no”. Ranking rows reflect the current published methodology for the comparison context.
MySQL vs Microsoft SQL Server
Context: Relational Database Management Systems · 21 rows
| Attribute | MySQLOracle | Microsoft SQL ServerMicrosoft |
|---|---|---|
| Identity · Taxonomy | ||
| Documentation | https://dev.mysql.com/doc/ | https://learn.microsoft.com/en-us/sql/sql-server/ |
| Tags | rdbms, sql, open-source, web-applications, oracle | rdbms, sql, microsoft, enterprise, hybrid-cloud |
| Platform · Deployment | ||
| Delivery model | self-hosted, managed-cloud | self-hosted |
| Pricing · Licensing | ||
| Free plan | true | true |
| Free trial | — | true |
| License model | dual-license | proprietary |
| Pricing model | free, custom | free, usage |
| Source repository | https://github.com/mysql/mysql-server | — |
| SPDX license IDs | GPL-2.0 | — |
| Features · Product · Fit | ||
| Core capabilities | ACID transactional storage (InnoDB), replication and NDB clustering, HeatWave analytics and in-database machine learning, JSON document support, pluggable storage engines | relational OLTP engine, T-SQL query language, integrated AI and vector search, JSON and full-text search, high availability and disaster recovery, Azure Arc and cloud integration |
| Api · Integrations · Ecosystem | ||
| API available | true | true |
| CLI | true | true |
| Audience · Use · Case | ||
| Best for | A widely deployed open source relational database with commercial editions, used heavily for web applications and available as the HeatWave cloud analytics service. | A proprietary relational database for organizations standardized on Microsoft tooling, scaling from free developer editions to tier-1 enterprise workloads on Windows, Linux, and Azure. |
| Company-size fit | SMB, mid-market, enterprise | SMB, mid-market, enterprise |
| Primary use cases | web and SaaS applications, online transaction processing, cloud analytics with HeatWave, embedded OEM databases | enterprise transaction processing, hybrid cloud data platforms, AI-powered applications, business intelligence and reporting |
| Skill level | intermediate | intermediate |
| Lifecycle · Versioning | ||
| Current version | 9.7.3 | SQL Server 2025 |
| Maintenance status | active | active |
| Vendor · Maintainer | ||
| Founded year | 1995 | 1989 |
| Headquarters country | United States | United States |
| Vendor type | commercial | commercial |
“—” means unknown (we never treat missing evidence as a negative). Cells reflect each value's current evidence state; superseded or stale values are excluded. Ranking rows are editorial assessments under the cited methodology version — see the Relational Database Management Systems category for definitions.