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ODbL 1.0 vs CC BY 4.0: what is the difference?

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TL;DR: ODbL 1.0: commercial use, modification, redistribution: Yes. CC BY 4.0: the same uses: Yes. ODbL 1.0: Use, share and adapt the database for any purpose; credit the source, keep adapted databases you publicly use open under the ODbL, and do not lock them away with technical measures without an open copy. CC BY 4.0: Share and adapt the material for any purpose, including commercially, as long as you give credit, link the license and say if you changed it.

Is oDbL 1.0: commercial use, modification, redistribution allowed under Open Data Commons Open Database License v1.0?

Yes. Every use you described is granted by ODbL 1.0, and nothing you described is prohibited.

License: Open Data Commons Open Database License v1.0 (ODbL-1.0, curated)

Duties: attribution, license_notice, share_alike, keep_open

Is cC BY 4.0: the same uses allowed under Creative Commons Attribution 4.0 International?

Yes. Every use you described is granted by CC BY 4.0, and nothing you described is prohibited.

License: Creative Commons Attribution 4.0 International (CC-BY-4.0, curated)

Duties: attribution, license_notice, state_changes, no_additional_restrictions

How do ODbL-1.0 and CC-BY-4.0 compare?

The table lists each license's duties and notes side by side.

LicenseDutiesNotes
ODbL-1.0attribution, license_notice, share_alike, keep_openCovers the database; contents may carry their own rights (section 2.1). Sublicensing is prohibited: each recipient receives a license directly from the licensor (section 4.8).
CC-BY-4.0attribution, license_notice, state_changes, no_additional_restrictionsThe grant is non-sublicensable: every recipient receives the license directly from the licensor (section 2(a)(5)). You may not apply legal terms or technical measures that restrict recipients from exercising the licensed rights (section 2(a)(5)(C)).

Combined in one work: compatible.

What else should I know?

What are the sources?

How can I check it myself (free, no key)?

{
  "tool": "check_license",
  "arguments": {
    "license": "ODbL-1.0",
    "intended_use": {
      "commercial_use": true,
      "modification": true,
      "redistribution": true
    }
  }
}

Computed from a2ally's license profiles; not legal advice. JSON · Markdown

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curl -s -X POST https://www.a2ally.com/v1/accounts/signup -H "Content-Type: application/json" -d '{"accept_terms":true}'
export A2ALLY_API_KEY=rs_...   # the api_key from the reply (shown once)
curl -s https://www.a2ally.com/v1/licenses/check -H "Authorization: Bearer $A2ALLY_API_KEY" \
  -H "Content-Type: application/json" -d '{"license":"MIT","intended_use":{"commercial_use":true}}'
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