Comparison

Microsoft SQL Server vs MySQL

On the evidence we track, MySQL leads this comparison with a composite score of 65/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Microsoft SQL Server44
★MySQL65
Score
vioscaleAI score
Microsoft SQL Server44 / 100low · 7%
MySQL65 / 100medium · 53%
Pricing
Free tier
Microsoft SQL Server–
MySQL✓
Model
Microsoft SQL Servercommercial
Price level
Microsoft SQL Server–
MySQLfree
Transparent
Microsoft SQL Server–
MySQL✗
Integrations
Count
Microsoft SQL Server3
MySQL–
Security
Disclosure policy
Microsoft SQL Server✓
MySQL–
Gdpr
Microsoft SQL Server✓
MySQL–
Scorecard
Microsoft SQL Server–
MySQL5.1
Trust center
MySQL–
Adoption
Dependent repos
Microsoft SQL Server–
MySQL664
Github stars
Microsoft SQL Server–
MySQL12,441
Stackoverflow questions
Microsoft SQL Server–
MySQL230,000
Activity
Commits last 30d
Microsoft SQL Server–
MySQL100
Release
Cadence days
Microsoft SQL Server–
MySQL90
License
Spdx
Microsoft SQL Server–
MySQLGPL-2.0
Language
Primary
Microsoft SQL Server–
MySQLC++
Market
Availability
Content
Faq
Microsoft SQL Server6 items
MySQL8 items

Capabilities

Feature-by-feature on the axes that matter for relational databases. “-” means undocumented, not absent.

Core
SQL model
Microsoft SQL ServerFull SQL
MySQLFull SQL
Transactions
ACID transactions
Microsoft SQL ServerFull
MySQLFull
Highest isolation level
Microsoft SQL Server-
MySQLSerializable
Consistency
Consistency
Microsoft SQL Server-
MySQLStrong
Scale
Horizontal scale
Microsoft SQL Server-
MySQLNatively distributed
Replication
Replication
Microsoft SQL Server-
MySQLAsync
Availability
Automatic failover / HA
Microsoft SQL Server-
MySQL✓
Deployment
Deployment
Microsoft SQL Server-
MySQLSelf-hosted
Serverless / scale-to-zero
Microsoft SQL Server-
MySQL✓
Compatibility
Wire compatibility
Microsoft SQL Server-
MySQLMySQL protocol
Extensibility
Extensions / plugins / UDFs
Microsoft SQL Server-
MySQL✓
Licensing
Licence class
Microsoft SQL ServerProprietary
MySQLCopyleft
Data types
JSON / document support
Microsoft SQL Server✓
MySQL✓
Geo / spatial
Microsoft SQL ServerNative
MySQL-

What each one is

The product in its own terms, so the numbers below have context.

Microsoft SQL Server

SQL Server 2025 is Microsoft's enterprise database system built with strong security, high performance, and availability features. It includes native AI capabilities to help modernize data platforms and accelerate application development.

Independently observed

MySQL

Leader

MySQL is an open-source SQL database server. MySQL Cluster extends it with real-time transaction processing capabilities for distributed deployments.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Microsoft SQL Server

Pricing not documented yet.

MySQL

Leader
Open sourceFree tier

Community edition free; Enterprise/Standard/Classic editions require contacting sales

  • MySQL Community ServerFree
  • MySQL Enterprise EditionContact sales
  • MySQL Standard EditionContact sales
  • MySQL Classic EditionContact sales
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Microsoft SQL Server✗
MySQL✓
Windows
Microsoft SQL Server✓
MySQL✗
CLI
Microsoft SQL Server✓
MySQL✗
Deployment
Cloud / SaaS
Microsoft SQL Server✓
MySQL✗
Self-hosted
Microsoft SQL Server✓
MySQL✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Microsoft SQL Server

3 total
  • LangChain
  • Semantic Kernel
  • Entity Framework Core
Independently observed

MySQL

Leader

Not documented yet.

Still deciding?

Microsoft SQL Server or MySQL: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.