Google Cloud Spanner VS IBM Db2
As of 30 October 2026, IBM Db2 is named by 767 companies and Google Cloud Spanner by 112; Google Cloud Spanner skews to companies under 200 people (35% vs 37%), IBM Db2 to companies over 1,000 (40% vs 37%).
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: Google Cloud Spanner's script and mail records show on hundreds of thousands of small sites, IBM Db2 rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Google Cloud Spanner: 2–200 employees
- 35%
- IBM Db2: 2–200 employees
- 37%
- Google Cloud Spanner: 1,000+ employees
- 37%
- IBM Db2: 1,000+ employees
- 40%
- Postings per company, 90 days
- 2.5 · 4.4
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Google Cloud Spanner | share | IBM Db2 | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 2% | 7 | 1% | even |
| 2-10 employees | 2 | 2% | 47 | 6% | IBM Db2 |
| 11-50 employees | 12 | 11% | 113 | 15% | IBM Db2 |
| 51-200 employees | 25 | 22% | 127 | 17% | Google Cloud Spanner |
| 201-500 employees | 21 | 19% | 95 | 12% | Google Cloud Spanner |
| 501-1000 employees | 9 | 8% | 73 | 10% | even |
| 1001-5000 employees | 15 | 13% | 123 | 16% | IBM Db2 |
| 5001-10000 employees | 8 | 7% | 49 | 6% | even |
| 10,001+ employees | 18 | 16% | 133 | 17% | even |
| Segment | Google Cloud Spanner | share | IBM Db2 | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 68 | 61% | 408 | 53% | Google Cloud Spanner |
| Business & finance services | 21 | 19% | 195 | 25% | IBM Db2 |
| Consumer services & leisure | 5 | 4% | 12 | 2% | Google Cloud Spanner |
| Manufacturing & industry | 4 | 4% | 32 | 4% | even |
| Commerce & trade | 3 | 3% | 25 | 3% | even |
| Public, community & associations | 3 | 3% | 12 | 2% | even |
| Media & content | 3 | 3% | 19 | 2% | even |
| Transport, logistics & rental | 2 | 2% | 15 | 2% | even |
| Automotive | 1 | 1% | 13 | 2% | even |
| Property & construction | 1 | 1% | 8 | 1% | even |
| Utilities & infrastructure | 1 | 1% | 12 | 2% | even |
| Health care | – | – | 13 | 2% | outside top 12 |
| Segment | Google Cloud Spanner | share | IBM Db2 | share | Leans |
|---|---|---|---|---|---|
| United States | 80 | 71% | 435 | 57% | Google Cloud Spanner |
| United Kingdom | 4 | 4% | 39 | 5% | even |
| Singapore | 4 | 4% | 8 | 1% | Google Cloud Spanner |
| Germany | 3 | 3% | 53 | 7% | IBM Db2 |
| India | 3 | 3% | 29 | 4% | even |
| Japan | 3 | 3% | – | – | outside top 12 |
| Poland | 3 | 3% | – | – | outside top 12 |
| Brazil | 2 | 2% | 7 | 1% | even |
| Australia | 1 | 1% | 9 | 1% | even |
| Canada | 1 | 1% | 30 | 4% | IBM Db2 |
| Colombia | 1 | 1% | – | – | outside top 12 |
| Denmark | 1 | 1% | – | – | outside top 12 |
| France | – | – | 37 | 5% | outside top 12 |
| Italy | – | – | 17 | 2% | outside top 12 |
| Spain | – | – | 12 | 2% | outside top 12 |
| Switzerland | – | – | 8 | 1% | outside top 12 |
| Segment | Google Cloud Spanner | share | IBM Db2 | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 183 | 47% | 2,378 | 42% | Google Cloud Spanner |
| Data & AI | 76 | 20% | 824 | 15% | Google Cloud Spanner |
| IT operations & business systems | 57 | 15% | 1,207 | 21% | IBM Db2 |
| Sales | 18 | 5% | 26 | 0% | Google Cloud Spanner |
| Engineering (non-software) | 2 | 1% | 59 | 1% | even |
| Logistics warehouse and transport | 2 | 1% | 14 | 0% | even |
| Product, program & project management | 2 | 1% | 80 | 1% | even |
| Customer service & success | 1 | 0% | 33 | 1% | even |
| General management & consulting | 1 | 0% | 38 | 1% | even |
| Unclassified | 1 | 0% | 19 | 0% | even |
| Finance & accounting | – | – | 19 | 0% | outside top 12 |
| Quality, safety & environment | – | – | 10 | 0% | outside top 12 |
The companies behind each column
Companies using Google Cloud Spanner →
Companies using IBM Db2 →
relational databases ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
IBM Db2 is named by 767 companies in job postings and Google Cloud Spanner by 112; 9 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/google-cloud-spanner-vs-ibm-db2)
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.
Google Cloud Spanner vs IBM Db2: questions
Which is more used, Google Cloud Spanner or IBM Db2?
By companies naming it in their own job postings, IBM Db2 (767) over Google Cloud Spanner (112). By website-and-DNS footprint, IBM Db2 (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Google Cloud Spanner?
35% of Google Cloud Spanner companies have 2 to 200 employees, against 37% for IBM Db2. 37% of Google Cloud Spanner companies have over 1,000 employees, against 40% for IBM Db2.
Do companies run both?
9 companies name both in their postings, usually Google Cloud Spanner in marketing and IBM Db2 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.
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