Microsoft SQL Server

Relational Databases, In-Memory Databases, Data Mapping
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paid★★★★★★★★☆☆8.6

TL;DR

Microsoft SQL Server is a relational database management system, available on-premise and in the cloud, that reliably stores, queries, and manages data for applications of every size.

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Pricing

Starting at $1,418/license

Free TierOn-PremiseSaaS

Subscription

$1,418/license
per-core licensing with support included
Cloud
Most Popular

Enterprise

$13,748/license
perpetual license with full feature set
Cloud

Details

What is Microsoft SQL Server?

Microsoft SQL Server is the relational database at the heart of the Microsoft data stack. It stores, queries, and manages structured data for applications from small internal tools to global enterprise systems, and it integrates natively with .NET, Visual Studio, SSMS, Power BI, and the wider Microsoft ecosystem. TrustRadius rates it 8.6 out of 10 across 1,675 reviews, and reviewers consistently praise its reliability under high transaction volumes, fast performance, familiar interface, and strong tooling — plus the practical benefit that a huge talent pool already knows how to run it. The persistent complaints are the expensive and convoluted licensing, heavy resource consumption ("a memory hog"), and the fact that solid open-source alternatives like PostgreSQL can do the same job for free. SQL Server is a safe, well-supported default for Microsoft-centric shops; for cost-sensitive teams without deep .NET investment, it is an expensive habit rather than a necessity.

Key Features

  • Relational engine — ACID-compliant transactions and querying
  • SQL Server Management Studio — mature admin and query tooling
  • In-memory OLTP — accelerated transaction processing
  • Reporting Services — enterprise reporting and paginated reports
  • Integration Services — ETL and data migration
  • Analysis Services — OLAP cubes and analytics
  • High availability — Always On availability groups
  • Security — encryption, row-level security, and auditing
  • Scalability — from Developer Edition to cloud scale
  • Integration — .NET, Visual Studio, Power BI, and Azure

Who is it for?

  • Microsoft-centric organizations already on .NET and Azure
  • Enterprises running business apps built on SQL Server
  • Teams that need enterprise-grade reporting and BI
  • Organizations that value Microsoft support and documentation
  • Shops where the available talent already knows SQL Server

Who is it NOT for?

  • Cost-sensitive teams — PostgreSQL and MySQL are free
  • Startups with no legacy Microsoft investment
  • Small deployments where Express or SQLite is enough
  • Anyone who dislikes complex per-core licensing
  • Teams running pure open-source stacks

The Bottom Line

Microsoft SQL Server is the rock-solid default of the Microsoft data stack, and at 4.3 stars across 1,675 reviews it earns that with reliability under heavy load, excellent integration with .NET and Power BI, and a talent pool every hiring manager can find. The honest truth is that licensing is expensive and confusing, it is a memory hog on your servers, and PostgreSQL does much of the same work for free. My verdict: if your business apps and dev stack are already Microsoft, SQL Server is the safe, boring, correct choice. If you are starting fresh and not married to .NET, save the budget and run PostgreSQL. Buy SQL Server when your ecosystem demands it — not out of habit.

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