In depth

What it is

Microsoft SQL Server is a commercial database engine integrated with Microsoft tooling, offering strong operational support and enterprise features.

Key features

Relational engine - ACID transactions and mature SQL capabilities.
Administration - Integrated management tooling and monitoring.
HA options - High-availability and replication features (edition-dependent).
Security - Enterprise security and auditing features (edition-dependent).

Strengths

Relational engine - ACID transactions and mature SQL capabilities.
Administration - Integrated management tooling and monitoring.
HA options - High-availability and replication features (edition-dependent).

Trade-offs

Licensing - Commercial licensing and feature tiers affect total cost.
Portability - Vendor-specific features can reduce portability.
Operations - Patch cadence and HA design require operational planning.

Pricing

Commercial product sold via subscriptions and/or licenses. Pricing commonly varies by seats, usage, and governance features.