Comparison

Microsoft SQL Server vs Percona Server

On the evidence we track, Percona Server leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Microsoft SQL Server full profile →Percona Server full profile →

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Microsoft SQL Server23

★Percona Server60

Attribute comparison across 2 tools
Attribute	Microsoft SQL Server	Percona ServerLeader
Vioscale score	23 / 100low · 7%updating	60 / 100low · 41%updating
Pricing
Free tierpricing.free_tier	-	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	-	free
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	3	-
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Gdprsecurity.gdpr	✓	-
Scorecardsecurity.scorecard	-	6.2
Reliability
Status pagereliability.status_page	-	✓
Adoption
Github starsadoption.github_stars	-	1,271
Activity
Commits last 30dactivity.commits_last_30d	-	28
Release
Historyrelease.history	-	2 items
Language
Primarylanguage.primary	-	C++
Market
Availabilitymarket.availability	Available worldwide · HQ US	-

Score

Vioscale score

Microsoft SQL Server23 / 100low · 7%updating

Percona Server60 / 100low · 41%updating

Pricing

Free tier

Microsoft SQL Server–

Percona Server✓

Model

Microsoft SQL Servercommercial

Percona Servercommercial

Price level

Microsoft SQL Server–

Percona Serverfree

Transparent

Microsoft SQL Server–

Percona Server✓

Integrations

Count

Microsoft SQL Server3

Percona Server–

Security

Disclosure policy

Microsoft SQL Server✓

Percona Server✓

Gdpr

Microsoft SQL Server✓

Percona Server–

Scorecard

Microsoft SQL Server–

Percona Server6.2

Reliability

Status page

Microsoft SQL Server–

Percona Server✓

Adoption

Github stars

Microsoft SQL Server–

Percona Server1,271

Activity

Commits last 30d

Microsoft SQL Server–

Percona Server28

Release

History

Microsoft SQL Server–

Percona Server2 items

Language

Primary

Microsoft SQL Server–

Percona ServerC++

Market

Availability

Microsoft SQL ServerAvailable worldwide · HQ US

Percona Server–

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	Percona Server
Core
SQL model	Full SQL	Full SQL
Transactions
ACID transactions	Full	Full
Highest isolation level	-	Serializable
Consistency
Consistency	-	Strong
Scale
Horizontal scale	-	Read replicas
Replication
Replication	-	Sync
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	Native

Core

SQL model

Microsoft SQL ServerFull SQL

Percona ServerFull SQL

Transactions

ACID transactions

Microsoft SQL ServerFull

Percona ServerFull

Highest isolation level

Microsoft SQL Server-

Percona ServerSerializable

Consistency

Microsoft SQL Server-

Percona ServerStrong

Scale

Horizontal scale

Microsoft SQL Server-

Percona ServerRead replicas

Replication

Microsoft SQL Server-

Percona ServerSync

Availability

Automatic failover / HA

Microsoft SQL Server-

Percona Server✓

Deployment

Microsoft SQL Server-

Percona ServerSelf-hosted

Serverless / scale-to-zero

Microsoft SQL Server-

Percona Server✗

Compatibility

Wire compatibility

Microsoft SQL Server-

Percona ServerMySQL protocol

Extensibility

Extensions / plugins / UDFs

Microsoft SQL Server-

Percona Server✓

Licensing

Licence class

Microsoft SQL ServerProprietary

Percona ServerCopyleft

Data types

JSON / document support

Microsoft SQL Server✓

Percona Server✓

Geo / spatial

Microsoft SQL ServerNative

Percona ServerNative

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

Percona Server

Leader

A free, fully compatible drop-in replacement for MySQL that delivers improved performance and instrumentation. It is built on MySQL foundations and designed for organizations seeking enhanced reliability and monitoring without switching databases.

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.

Percona Server

Leader

Open sourceFree tier

Completely free and open source

as of 2026-08-14verify ↗

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	Percona Server
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✓	✓

Deployment

Cloud / SaaS

Microsoft SQL Server✓

Percona Server✗

Self-hosted

Microsoft SQL Server✓

Percona Server✓

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

Percona Server

Leader

Not documented yet.

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