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Amazon DynamoDB vs Microsoft SQL Server

Side-by-side comparison of Amazon DynamoDB and Microsoft SQL Server. Data-driven analysis for CTOs and engineering leaders.

Technical Profile

Amazon DynamoDB

Scalability
very high
Performance
very high
Learning Curve
moderate
Maturity
mature
Languages: Any via SDK

Microsoft SQL Server

Scalability
very high
Performance
very high
Learning Curve
moderate
Maturity
mature
Languages: T-SQL, SQL

When to Use

Amazon DynamoDB

  • +Serverless architectures
  • +Unpredictable workloads
  • +Need auto-scaling
  • +AWS-native stack

Avoid Amazon DynamoDB when

  • -Complex queries required
  • -Multi-cloud strategy
  • -Strong consistency critical across regions

Microsoft SQL Server

  • +Microsoft stack
  • +Azure cloud
  • +Windows servers
  • +BI workloads

Avoid Microsoft SQL Server when

  • -Linux environment
  • -Budget constraints
  • -Open-source preference

Compliance & Security

Amazon DynamoDB

SOC 2GDPRHIPAAPCI-DSS

Security Features

EncryptionAudit LogsRBACMFA

Microsoft SQL Server

SOC 2GDPRHIPAAPCI-DSS

Security Features

EncryptionAudit LogsRBACMFA

Operations

Amazon DynamoDB

Maintenance
low
Monitoring
low
Backup/Recovery
simple
Hosting: managed

Microsoft SQL Server

Maintenance
medium
Monitoring
medium
Backup/Recovery
moderate
Hosting: self-hosted, cloud, managed

Frequently Asked Questions

How does scalability compare between Amazon DynamoDB and Microsoft SQL Server?

Amazon DynamoDB offers very-high scalability, while Microsoft SQL Server offers very-high scalability. Consider your expected traffic and data volume when choosing.

Which has the easier learning curve: Amazon DynamoDB or Microsoft SQL Server?

Amazon DynamoDB has a moderate learning curve, while Microsoft SQL Server has a moderate learning curve. Factor in your team's existing skills and onboarding timeline.

What are the pricing differences between Amazon DynamoDB and Microsoft SQL Server?

Amazon DynamoDB uses a usage-based pricing model starting at Pay per request, free tier 25GB with a free tier. Microsoft SQL Server uses a per-seat pricing model starting at $900/year with a free tier. Evaluate total cost of ownership including operational overhead.

Which option is better for compliance: Amazon DynamoDB or Microsoft SQL Server?

Amazon DynamoDB supports SOC 2, GDPR, HIPAA, PCI-DSS. Microsoft SQL Server supports SOC 2, GDPR, HIPAA, PCI-DSS. Always verify current certifications directly with the vendor.

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