Google Cloud Spanner VS Microsoft SQL Server
As of 30 October 2026, Microsoft SQL Server is named by 7,099 companies and Google Cloud Spanner by 112; Google Cloud Spanner skews to companies under 200 people (35% vs 45%), Microsoft SQL Server to companies over 1,000 (29% 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, Microsoft SQL Server 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%
- Microsoft SQL Server: 2–200 employees
- 45%
- Google Cloud Spanner: 1,000+ employees
- 37%
- Microsoft SQL Server: 1,000+ employees
- 29%
- Postings per company, 90 days
- 2.5 · 3.4
- 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 | Microsoft SQL Server | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 2% | 36 | 1% | even |
| 2-10 employees | 2 | 2% | 373 | 5% | Microsoft SQL Server |
| 11-50 employees | 12 | 11% | 1,278 | 18% | Microsoft SQL Server |
| 51-200 employees | 25 | 22% | 1,525 | 21% | even |
| 201-500 employees | 21 | 19% | 1,062 | 15% | Google Cloud Spanner |
| 501-1000 employees | 9 | 8% | 750 | 11% | Microsoft SQL Server |
| 1001-5000 employees | 15 | 13% | 1,107 | 16% | Microsoft SQL Server |
| 5001-10000 employees | 8 | 7% | 315 | 4% | Google Cloud Spanner |
| 10,001+ employees | 18 | 16% | 653 | 9% | Google Cloud Spanner |
| Segment | Google Cloud Spanner | share | Microsoft SQL Server | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 68 | 61% | 3,343 | 47% | Google Cloud Spanner |
| Business & finance services | 21 | 19% | 1,430 | 20% | even |
| Consumer services & leisure | 5 | 4% | 167 | 2% | Google Cloud Spanner |
| Manufacturing & industry | 4 | 4% | 798 | 11% | Microsoft SQL Server |
| Commerce & trade | 3 | 3% | 202 | 3% | even |
| Public, community & associations | 3 | 3% | 176 | 2% | even |
| Media & content | 3 | 3% | 126 | 2% | even |
| Transport, logistics & rental | 2 | 2% | 143 | 2% | even |
| Automotive | 1 | 1% | 103 | 1% | even |
| Property & construction | 1 | 1% | 154 | 2% | even |
| Utilities & infrastructure | 1 | 1% | 216 | 3% | Microsoft SQL Server |
| Health care | – | – | 183 | 3% | outside top 12 |
| Segment | Google Cloud Spanner | share | Microsoft SQL Server | share | Leans |
|---|---|---|---|---|---|
| United States | 80 | 71% | 3,823 | 54% | Google Cloud Spanner |
| United Kingdom | 4 | 4% | 459 | 6% | Microsoft SQL Server |
| Singapore | 4 | 4% | – | – | outside top 12 |
| Germany | 3 | 3% | 534 | 8% | Microsoft SQL Server |
| India | 3 | 3% | 293 | 4% | even |
| Japan | 3 | 3% | – | – | outside top 12 |
| Poland | 3 | 3% | 100 | 1% | even |
| Brazil | 2 | 2% | – | – | outside top 12 |
| Australia | 1 | 1% | 123 | 2% | even |
| Canada | 1 | 1% | 227 | 3% | Microsoft SQL Server |
| Colombia | 1 | 1% | – | – | outside top 12 |
| Denmark | 1 | 1% | – | – | outside top 12 |
| France | – | – | 214 | 3% | outside top 12 |
| Italy | – | – | 145 | 2% | outside top 12 |
| Netherlands | – | – | 122 | 2% | outside top 12 |
| Belgium | – | – | 76 | 1% | outside top 12 |
| Spain | – | – | 73 | 1% | outside top 12 |
| Segment | Google Cloud Spanner | share | Microsoft SQL Server | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 183 | 47% | 17,474 | 47% | even |
| Data & AI | 76 | 20% | 4,453 | 12% | Google Cloud Spanner |
| IT operations & business systems | 57 | 15% | 7,600 | 20% | Microsoft SQL Server |
| Sales | 18 | 5% | 229 | 1% | Google Cloud Spanner |
| Engineering (non-software) | 2 | 1% | 809 | 2% | even |
| Logistics warehouse and transport | 2 | 1% | – | – | outside top 12 |
| Product, program & project management | 2 | 1% | 559 | 1% | even |
| Customer service & success | 1 | 0% | 503 | 1% | even |
| General management & consulting | 1 | 0% | 108 | 0% | even |
| Unclassified | 1 | 0% | 161 | 0% | even |
| Finance & accounting | – | – | 220 | 1% | outside top 12 |
| Quality, safety & environment | – | – | 118 | 0% | outside top 12 |
| Marketing & communications | – | – | 96 | 0% | outside top 12 |
The companies behind each column
Companies using Google Cloud Spanner →
Companies using Microsoft SQL Server →
relational databases ranked →
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 Google Cloud Spanner by 112; 16 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/google-cloud-spanner-vs-microsoft-sql-server)
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 Microsoft SQL Server: questions
Which is more used, Google Cloud Spanner or Microsoft SQL Server?
By companies naming it in their own job postings, Microsoft SQL Server (7,099) over Google Cloud Spanner (112). 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 Google Cloud Spanner?
35% of Google Cloud Spanner companies have 2 to 200 employees, against 45% for Microsoft SQL Server. 37% of Google Cloud Spanner companies have over 1,000 employees, against 29% for Microsoft SQL Server.
Do companies run both?
16 companies name both in their postings, usually Google Cloud Spanner 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.
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