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LMDB System Properties

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Editorial information provided by DB-Engines
NameLMDB
DescriptionA high performant, light-weight, embedded key-value database library
Primary database modelKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.24
Rank#109  Overall
#20  Key-value stores
Websitesymas.com/­lmdb
DeveloperSymas
Initial release2011
Current release0.9.28, February 2021
License infoCommercial or Open SourceOpen Source
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC
Data schemeschema-free
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.no
Secondary indexesno
SQL infoSupport of SQLno
Supported programming languagesC
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlno

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More resources
LMDB
Recent citations in the news

The Lightning Memory-mapped Database
2 March 2016, InfoQ.com

Article: Interview with RavenDB Founder Oren Eini
31 August 2020, InfoQ.com

Samsung Announces Standards-Compliant Key-Value SSD Prototype
5 September 2019, AnandTech

ActorDB: an alternative view of a distributed database
15 April 2016, opensource.com

Oracle switches Berkeley DB license
5 July 2013, InfoWorld

provided by Google News

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