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DBMS > LMDB vs. Splunk vs. SQL.JS

System Properties Comparison LMDB vs. Splunk vs. SQL.JS

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonSplunk  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryAnalytics Platform for Big DataPort of SQLite to JavaScript
Primary database modelKey-value storeSearch engineRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.09
Rank#121  Overall
#20  Key-value stores
Score89.10
Rank#14  Overall
#2  Search engines
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbwww.splunk.comsql.js.org
Technical documentationwww.lmdb.tech/­docdocs.splunk.com/­Documentation/­Splunksql.js.org/­documentation/­index.html
DeveloperSymasSplunk Inc.Alon Zakai infoenhancements implemented by others
Initial release201120032012
Current release0.9.32, January 2024
License infoCommercial or Open SourceOpen Sourcecommercial infoLimited free edition and free developer edition availableOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaScript
Server operating systemsLinux
Unix
Windows
Linux
OS X
Solaris
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyes
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.noyesno
Secondary indexesnoyes
SQL infoSupport of SQLnono infoSplunk Search Processing Language for search commandsyes infoSQL-92 is not fully supported
APIs and other access methodsHTTP RESTJavaScript API
Supported programming languages.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
C#
Java
JavaScript
PHP
Python
Ruby
JavaScript
Server-side scripts infoStored proceduresnoyesno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistencynone
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searchingACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlnoAccess rights for users and rolesno

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LMDBSplunkSQL.JS
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