Compare · lakehouse table formats

Delta Lake VS Microsoft OneLake_

As of 4 November 2026, Microsoft OneLake is named by 306 companies and Delta Lake by 1,348; Delta Lake skews to companies under 200 people (29% vs 23%), Microsoft OneLake to companies over 1,000 (47% vs 43%).

As of 4 November 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: Delta Lake's script and mail records show on hundreds of thousands of small sites, Microsoft OneLake rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Delta Lake: 2–200 employees
29%
Microsoft OneLake: 2–200 employees
23%
Delta Lake: 1,000+ employees
43%
Microsoft OneLake: 1,000+ employees
47%
Postings per company, 90 days
2.9 · 2.0
Website or DNS footprint
0 · 0
1,348companies name Delta Lake
306companies name Microsoft OneLake
121name both
3,905 · 599postings in 90 days, Delta Lake · Microsoft OneLake
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
SegmentDelta LakeshareMicrosoft OneLakeshareLeans
Self-employed272%21%even
2-10 employees655%134%even
11-50 employees1128%134%Delta Lake
51-200 employees21616%4515%even
201-500 employees20215%4414%even
501-1000 employees14811%4515%Microsoft OneLake
1001-5000 employees25119%8227%Microsoft OneLake
5001-10000 employees957%165%even
10,001+ employees23217%4615%Delta Lake
By industry
SegmentDelta LakeshareMicrosoft OneLakeshareLeans
Technology & software60145%10534%Delta Lake
Business & finance services31123%6722%even
Manufacturing & industry13710%4113%Microsoft OneLake
Commerce & trade534%114%even
Utilities & infrastructure443%93%even
Media & content413%83%even
Consumer services & leisure312%103%even
Public, community & associations302%52%even
Health care262%124%even
Property & construction242%134%Microsoft OneLake
Transport, logistics & rental212%134%Microsoft OneLake
Automotive181%72%even
By country
SegmentDelta LakeshareMicrosoft OneLakeshareLeans
United States81761%18059%even
United Kingdom987%268%even
Germany494%103%even
Canada332%155%Microsoft OneLake
India312%83%even
France302%72%even
Brazil252%52%even
Netherlands232%41%even
Australia222%72%even
Sweden191%41%even
Switzerland161%––outside top 12
Poland131%––outside top 12
Belgium––72%outside top 12
Spain––52%outside top 12
Postings by team (share of each tool's postings)
SegmentDelta LakeshareMicrosoft OneLakeshareLeans
Data & AI3,62977%52173%Delta Lake
Software engineering4329%345%Delta Lake
IT operations & business systems1433%385%Microsoft OneLake
Sales762%162%even
Product, program & project management501%193%even
Customer service & success80%––outside top 12
General management & consulting80%30%even
Quality, safety & environment80%––outside top 12
Engineering (non-software)70%51%even
Finance & accounting70%20%even
Education & training60%––outside top 12
Marketing & communications50%10%even
construction and civil40%––outside top 12
Business development & strategy30%––outside top 12
Legal, compliance & risk30%10%even
real estate and property30%––outside top 12
hospitality and food service20%––outside top 12
Unclassified20%––outside top 12
arts media and entertainment10%––outside top 12
Human resources10%––outside top 12
logistics warehouse and transport10%30%even
Retail & store operations––10%outside top 12
Cite this

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

Microsoft OneLake is named by 306 companies in job postings and Delta Lake by 1,348; 121 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/delta-lake-vs-onelake)
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

Delta Lake vs Microsoft OneLake: questions

Which is more used, Delta Lake or Microsoft OneLake?

By companies naming it in their own job postings, Delta Lake (1,348) over Microsoft OneLake (306). By website-and-DNS footprint, Microsoft OneLake (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Delta Lake?

29% of Delta Lake companies have 2 to 200 employees, against 23% for Microsoft OneLake. 43% of Delta Lake companies have over 1,000 employees, against 47% for Microsoft OneLake.

Do companies run both?

121 companies name both in their postings, usually Delta Lake in marketing and Microsoft OneLake 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

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