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foreign key

field or collection of fields in one table that uniquely identifies a row of another table or the same table
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foreign key

Summary

foreign key ranks in the top 2% of general entities by monthly Wikipedia readership (115 views/month).[1]

Key Facts

  • foreign key's subclass of is recorded as unique key[2].
  • foreign key's Freebase ID is recorded as /m/01m553[3].
  • foreign key's Stack Exchange tag is recorded as https://stackoverflow.com/tags/foreign-keys[4].

Why It Matters

foreign key ranks in the top 2% of general entities by monthly Wikipedia readership (115 views/month).[1] It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[5] It is known by 28 alternative names across languages and contexts.[6]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [5] ↑ . Wikidata sitelinks. wikidata.org.
  3. [6] ↑ . 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). foreign key. Retrieved April 10, 2026, from https://4ort.xyz/entity/foreign-key
MLA “foreign key.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/foreign-key.
BibTeX @misc{4ortxyz_foreign-key_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{foreign key}}, year = {2026}, url = {https://4ort.xyz/entity/foreign-key}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): foreign key — https://4ort.xyz/entity/foreign-key (retrieved 2026-04-10)

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