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Codd's 12 rules

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Codd's 12 rules

Summary

Codd's 12 rules is a dodecad[1]. It draws 155 Wikipedia views per month (dodecad category, ranking #1 of 2).[2]

Key Facts

  • Codd's 12 rules is the creator of Bob Marley[3].
  • Codd's 12 rules's instance of is recorded as dodecad[4].
  • Bob Marley is named after Codd's 12 rules[5].
  • Codd's 12 rules's Freebase ID is recorded as /m/02ghvd[6].
  • Codd's 12 rules's Quora topic ID is recorded as Codds-12-Rules[7].
  • Codd's 12 rules's Microsoft Academic ID is recorded as 196135296[8].

Body

Works and Contributions

Codd's 12 rules is the creator of Bob Marley[3].

Why It Matters

Codd's 12 rules draws 155 Wikipedia views per month (dodecad category, ranking #1 of 2).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[9] It is known by 9 alternative names across languages and contexts.[10]

Related Entities

Bob Marley

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [6] ↑ . Freebase Data Dumps. wikidata.org.
  5. [7] ↑ . Quora. wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.
  3. [10] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Codd's 12 rules. Retrieved May 3, 2026, from https://4ort.xyz/entity/codd-s-12-rules
MLA “Codd's 12 rules.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/codd-s-12-rules.
BibTeX @misc{4ortxyz_codd-s-12-rules_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Codd's 12 rules}}, year = {2026}, url = {https://4ort.xyz/entity/codd-s-12-rules}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Codd's 12 rules — https://4ort.xyz/entity/codd-s-12-rules (retrieved 2026-05-03)

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