Comparison

Microsoft SQL Server vs PlanetScale

On the evidence we track, PlanetScale leads this comparison with a composite score of 66/100. 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
★PlanetScale66
Score
vioscaleAI score
Microsoft SQL Server44 / 100low · 7%
PlanetScale66 / 100medium · 70%
Pricing
Free tier
Microsoft SQL Server–
PlanetScale✗
Model
Microsoft SQL Servercommercial
PlanetScalecommercial
Price level
Microsoft SQL Server–
PlanetScalelow
Starting price
Microsoft SQL Server–
PlanetScale$5
Transparent
Microsoft SQL Server–
PlanetScale✗
Integrations
Count
Microsoft SQL Server3
PlanetScale3
Security
Certifications
Microsoft SQL Server–
Disclosure policy
Microsoft SQL Server✓
PlanetScale✓
Gdpr
Microsoft SQL Server✓
PlanetScale✓
Hipaa
Microsoft SQL Server–
PlanetScale✓
Pci
Microsoft SQL Server–
PlanetScale✓
Soc2
Microsoft SQL Server–
PlanetScale✓
Trust center
PlanetScale–
Reliability
Sla pct
Microsoft SQL Server–
PlanetScale99.99
Status page
Microsoft SQL Server–
PlanetScale✓
Market
Content
Faq
Microsoft SQL Server6 items
PlanetScale7 items

Capabilities

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

Core
SQL model
Microsoft SQL ServerFull SQL
PlanetScaleFull SQL
Transactions
ACID transactions
Microsoft SQL ServerFull
PlanetScale-
Highest isolation level
Microsoft SQL Server-
PlanetScale-
Consistency
Consistency
Microsoft SQL Server-
PlanetScale-
Scale
Horizontal scale
Microsoft SQL Server-
PlanetScaleSharded
Replication
Replication
Microsoft SQL Server-
PlanetScale-
Availability
Automatic failover / HA
Microsoft SQL Server-
PlanetScale✓
Deployment
Deployment
Microsoft SQL Server-
PlanetScaleManaged
Serverless / scale-to-zero
Microsoft SQL Server-
PlanetScale-
Compatibility
Wire compatibility
Microsoft SQL Server-
PlanetScale-
Extensibility
Extensions / plugins / UDFs
Microsoft SQL Server-
PlanetScale✓
Licensing
Licence class
Microsoft SQL ServerProprietary
PlanetScaleProprietary
Data types
JSON / document support
Microsoft SQL Server✓
PlanetScale-
Geo / spatial
Microsoft SQL ServerNative
PlanetScale-

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

PlanetScale

Leader

PlanetScale provides managed cloud database services optimized for performance and reliability. It offers sharded versions of MySQL and PostgreSQL that support horizontal scaling, zero-downtime operations including schema changes, automatic failover, and connection pooling.

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.

PlanetScale

Leader
from $5/moSubscription

From $5/month. Private connection traffic $0.01/GB.

  • PostgresFrom $5/month
    • High availability
    • Automatic failover across three availability zones
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✗
PlanetScale✓
Windows
Microsoft SQL Server✓
PlanetScale✗
CLI
Microsoft SQL Server✓
PlanetScale✓
Deployment
Cloud / SaaS
Microsoft SQL Server✓
PlanetScale✓
Self-hosted
Microsoft SQL Server✓
PlanetScale✗

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

PlanetScale

Leader
7 total
  • Vantage
  • Netlify
  • Debezium
  • Cursor
  • Codex
  • Terraform
  • Prometheus
Independently observed
Still deciding?

Microsoft SQL Server or PlanetScale: 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.