Start free
Compare · relational databases

IBM Db2 VS Microsoft SQL Server_

As of 30 October 2026, Microsoft SQL Server is named by 7,099 companies and IBM Db2 by 767; IBM Db2 skews to companies under 200 people (37% vs 45%), Microsoft SQL Server to companies over 1,000 (29% vs 40%).

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

The website-and-DNS footprint is not comparable between a marketing suite and a CRM: IBM Db2's script and mail records show on hundreds of thousands of small sites, Microsoft SQL Server rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

IBM Db2: 2–200 employees
37%
Microsoft SQL Server: 2–200 employees
45%
IBM Db2: 1,000+ employees
40%
Microsoft SQL Server: 1,000+ employees
29%
Postings per company, 90 days
4.4 · 3.4
Website or DNS footprint
0 · 0
767companies name IBM Db2
7,099companies name Microsoft SQL Server
606name both
3,363 · 24,277postings in 90 days, IBM Db2 · Microsoft SQL Server
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentIBM Db2shareMicrosoft SQL ServershareLeans
Self-employed71%361%even
2-10 employees476%3735%even
11-50 employees11315%1,27818%Microsoft SQL Server
51-200 employees12717%1,52521%Microsoft SQL Server
201-500 employees9512%1,06215%Microsoft SQL Server
501-1000 employees7310%75011%even
1001-5000 employees12316%1,10716%even
5001-10000 employees496%3154%even
10,001+ employees13317%6539%IBM Db2
By industry
SegmentIBM Db2shareMicrosoft SQL ServershareLeans
Technology & software40853%3,34347%IBM Db2
Business & finance services19525%1,43020%IBM Db2
Manufacturing & industry324%79811%Microsoft SQL Server
Commerce & trade253%2023%even
Media & content192%1262%even
Transport, logistics & rental152%1432%even
Automotive132%1031%even
Health care132%1833%even
Public, community & associations122%1762%even
Consumer services & leisure122%1672%even
Utilities & infrastructure122%2163%even
Property & construction81%1542%even
By country
SegmentIBM Db2shareMicrosoft SQL ServershareLeans
United States43557%3,82354%IBM Db2
Germany537%5348%even
United Kingdom395%4596%even
France375%2143%even
Canada304%2273%even
India294%2934%even
Italy172%1452%even
Spain122%731%even
Australia91%1232%even
Switzerland81%––outside top 12
Singapore81%––outside top 12
Brazil71%––outside top 12
Netherlands––1222%outside top 12
Poland––1001%outside top 12
Belgium––761%outside top 12
Postings by team (share of each tool's postings)
SegmentIBM Db2shareMicrosoft SQL ServershareLeans
Software engineering2,37842%17,47447%Microsoft SQL Server
IT operations & business systems1,20721%7,60020%even
Data & AI82415%4,45312%IBM Db2
Product, program & project management801%5591%even
Engineering (non-software)591%8092%even
General management & consulting381%1080%even
Customer service & success331%5031%even
Sales260%2291%even
Finance & accounting190%2201%even
Unclassified190%1610%even
logistics warehouse and transport140%––outside top 12
Quality, safety & environment100%1180%even
Marketing & communications––960%outside top 12
Go deeper

The companies behind each column

Companies using IBM Db2 →
Companies using Microsoft SQL Server →
relational databases ranked →

Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Microsoft SQL Server is named by 7,099 companies in job postings and IBM Db2 by 767; 606 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/ibm-db2-vs-microsoft-sql-server)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • SegmentsCountry, size and industry from the company profile built from its website.
  • Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
FAQ

IBM Db2 vs Microsoft SQL Server: questions

Which is more used, IBM Db2 or Microsoft SQL Server?

By companies naming it in their own job postings, Microsoft SQL Server (7,099) over IBM Db2 (767). By website-and-DNS footprint, Microsoft SQL Server (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses IBM Db2?

37% of IBM Db2 companies have 2 to 200 employees, against 45% for Microsoft SQL Server. 40% of IBM Db2 companies have over 1,000 employees, against 29% for Microsoft SQL Server.

Do companies run both?

606 companies name both in their postings, usually IBM Db2 in marketing and Microsoft SQL Server in sales, or during a migration.

Where do these numbers come from?

From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.

Companies and people

Get either list your way

The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

SearchCompany searchFilter on what a company actually does→SearchPeople searchDecision makers, normalized and verified→MCP and APICompanies over MCP and APICount, search and export from your agent→DatasetCompany and People datasetThe whole market in your warehouse→DataCoverage by countryCheck your market before you start→SearchLocal businessesThe same database, by category and city→

Every company on either tool,
with the person who owns it

Filter on IBM Db2 or Microsoft SQL Server, and get 1,000 records free.

Start free with 1,000 records
  1. 01Sign up, no card
  2. 02Connect Claude, ChatGPT or an API key
  3. 03Ask for your market, 1,000 records free