Comparison

Microsoft SQL Server vs MySQL

On the evidence we track, MySQL leads this comparison with a composite score of 56/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Microsoft SQL Server full profile →MySQL full profile →

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Microsoft SQL Server23

★MySQL56

Attribute comparison across 2 tools
Attribute	Microsoft SQL Server	MySQLLeader
Vioscale score	23 / 100low · 7%updating	56 / 100medium · 51%updating
Pricing
Free tierpricing.free_tier	-	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	-	low
Transparentpricing.transparent	-	✗
Integrations
Countintegrations.count	3	-
Security
Disclosure policysecurity.disclosure_policy	✓	-
Gdprsecurity.gdpr	✓	-
Scorecardsecurity.scorecard	-	4.6
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=homebrew&package_name=mysql&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	-	664
Github starsadoption.github_stars	-	12,407
Stackoverflow questionsadoption.stackoverflow_questions	-	230,000
Activity
Commits last 30dactivity.commits_last_30d	-	2
Release
Cadence daysrelease.cadence_days	-	90
License
Spdxlicense.spdx	-	GPL-2.0
Language
Primarylanguage.primary	-	C++
Market
Availabilitymarket.availability	Available worldwide · HQ US	Available worldwide
Content
Faqcontent.faq	-	8 items

Score

Vioscale score

Microsoft SQL Server23 / 100low · 7%updating

MySQL56 / 100medium · 51%updating

Pricing

Free tier

Microsoft SQL Server–

MySQL✓

Model

Microsoft SQL Servercommercial

MySQLcommercial

Price level

Microsoft SQL Server–

MySQLlow

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–

MySQL4.6

Vulnerabilities

Microsoft SQL Server–

MySQLCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=homebrew&package_name=mysql&per_page=100 · Last 12m: 0

Adoption

Dependent repos

Microsoft SQL Server–

MySQL664

Github stars

Microsoft SQL Server–

MySQL12,407

Stackoverflow questions

Microsoft SQL Server–

MySQL230,000

Activity

Commits last 30d

Microsoft SQL Server–

MySQL2

Release

Cadence days

Microsoft SQL Server–

MySQL90

License

Spdx

Microsoft SQL Server–

MySQLGPL-2.0

Language

Primary

Microsoft SQL Server–

MySQLC++

Market

Availability

Microsoft SQL ServerAvailable worldwide · HQ US

MySQLAvailable worldwide

Content

Faq

Microsoft SQL Server–

MySQL8 items

Capabilities

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

Capability comparison for Relational Databases
Capability	Microsoft SQL Server	MySQL
Core
SQL model	Full SQL	Full SQL
Transactions
ACID transactions	Full	Full
Highest isolation level	-	Serializable
Consistency
Consistency	-	Strong
Scale
Horizontal scale	-	Natively distributed
Replication
Replication	-	Async
Availability
Automatic failover / HA	-	✓
Deployment
Deployment	-	Self-hosted
Serverless / scale-to-zero	-	✓
Compatibility
Wire compatibility	-	MySQL protocol
Extensibility
Extensions / plugins / UDFs	-	✓
Licensing
Licence class	Proprietary	Copyleft
Data types
JSON / document support	✓	✓
Geo / spatial	Native	-

Core

SQL model

Microsoft SQL ServerFull SQL

MySQLFull SQL

Transactions

ACID transactions

Microsoft SQL ServerFull

MySQLFull

Highest isolation level

Microsoft SQL Server-

MySQLSerializable

Consistency

Microsoft SQL Server-

MySQLStrong

Scale

Horizontal scale

Microsoft SQL Server-

MySQLNatively distributed

Replication

Microsoft SQL Server-

MySQLAsync

Availability

Automatic failover / HA

Microsoft SQL Server-

MySQL✓

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 a commercial database platform that enables organizations to store, query, and analyze data while incorporating built-in AI capabilities. It supports multiple programming languages and deployment options ranging from on-premises installations to cloud-based managed services.

Independently observed

MySQL

Leader

MySQL is an open-source SQL database management system that serves as the foundation for many web-based applications and cloud services. Available in both a free community edition and a commercial enterprise edition with advanced features and professional support.

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 2026-07-08verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Microsoft SQL Server	MySQL
WebPlatforms	-	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓

Platforms

Web

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.

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