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Lightning Memory-Mapped Database

Software library providing embedded transactional key-value database
Thing key_value_database_system Q20725152
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Lightning Memory-Mapped Database

Summary

Lightning Memory-Mapped Database is a key–value database system[1]. It draws 202 Wikipedia views per month (key_value_database_system category, ranking #1 of 2).[2]

Key Facts

  • Lightning Memory-Mapped Database's instance of is recorded as key–value database system[3].
  • Lightning Memory-Mapped Database's instance of is recorded as embedded database[4].
  • Lightning Memory-Mapped Database's instance of is recorded as free and open-source software[5].
  • Lightning Memory-Mapped Database's instance of is recorded as database engine[6].
  • Lightning Memory-Mapped Database's instance of is recorded as Ordered Key-Value Store[7].
  • Lightning Memory-Mapped Database's copyright license is recorded as OpenLDAP Public License Version 2.8[8].
  • Lightning Memory-Mapped Database's programmed in is recorded as Q15777[9].
  • Lightning Memory-Mapped Database's operating system is recorded as Unix-like operating system[10].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.6[11].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.7[12].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.8[13].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.9[14].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.10[15].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.11[16].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.12[17].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.13[18].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.14[19].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.15[20].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.16[21].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.17[22].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.18[23].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.19[24].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.21[25].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.22[26].
  • Lightning Memory-Mapped Database's software version identifier is recorded as 0.9.23[27].

Body

Definition and Type

Recorded instance of include key–value database system[3], embedded database[4], free and open-source software[5], database engine[6], and Ordered Key-Value Store[7].

Use and Application

Lightning Memory-Mapped Database is used for embedded database[28]. It is part of OpenLDAP[29].

Why It Matters

Lightning Memory-Mapped Database draws 202 Wikipedia views per month (key_value_database_system category, ranking #1 of 2).[2]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [29] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.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). Lightning Memory-Mapped Database. Retrieved October 2, 2026, from https://4ort.xyz/entity/lightning-memory-mapped-database
MLA “Lightning Memory-Mapped Database.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/lightning-memory-mapped-database.
BibTeX @misc{4ortxyz_lightning-memory-mapped-database_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lightning Memory-Mapped Database}}, year = {2026}, url = {https://4ort.xyz/entity/lightning-memory-mapped-database}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lightning Memory-Mapped Database — https://4ort.xyz/entity/lightning-memory-mapped-database (retrieved 2026-10-02)

Canonical URL: https://4ort.xyz/entity/lightning-memory-mapped-database · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24d ago · S8321414 · 2026-09-10 view diff on Wikidata ↗
    Software version identifier → 0.9.6, 0.9.7, 0.9.8 +25
    "/* wbsetclaim-update:2||1 */ [[Property:P348]]: 1.0.1"
  2. 8w ago · S8321414 · 2026-08-09 view diff on Wikidata ↗
    Source code repository url → https://github.com/LMDB/lmdb, https://git.openldap.org/openldap/openldap/
    Open hub id → lightning_database
    Openbsd port → databases/lmdb
    Debian source package → lmdb
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P348]]: 0.9.33"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.