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DBMS > LMDB vs. SQL.JS vs. SWC-DB vs. Warp 10

System Properties Comparison LMDB vs. SQL.JS vs. SWC-DB vs. Warp 10

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonSQL.JS  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  Xexclude from comparisonWarp 10  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryPort of SQLite to JavaScriptA high performance, scalable Wide Column DBMSTimeSeries DBMS specialized on timestamped geo data based on LevelDB or HBase
Primary database modelKey-value storeRelational DBMSWide column storeTime Series DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#125  Overall
#21  Key-value stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Score0.01
Rank#376  Overall
#13  Wide column stores
Score0.07
Rank#349  Overall
#32  Time Series DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbsql.js.orggithub.com/­kashirin-alex/­swc-db
www.swcdb.org
www.warp10.io
Technical documentationwww.lmdb.tech/­docsql.js.org/­documentation/­index.htmlwww.warp10.io/­content/­02_Getting_started
DeveloperSymasAlon Zakai infoenhancements implemented by othersAlex KashirinSenX
Initial release2011201220202015
Current release0.9.32, January 20240.5, April 2021
License infoCommercial or Open SourceOpen SourceOpen SourceOpen Source infoGPL V3Open Source infoApache License 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaScriptC++Java
Server operating systemsLinux
Unix
Windows
server-less, requires a JavaScript environment (browser, Node.js)LinuxLinux
OS X
Windows
Data schemeschema-freeyesschema-freeschema-free
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.nononono
Secondary indexesnono
SQL infoSupport of SQLnoyes infoSQL-92 is not fully supportedSQL-like query languageno
APIs and other access methodsJavaScript APIProprietary protocol
Thrift
HTTP API
Jupyter
WebSocket
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
JavaScriptC++
Server-side scripts infoStored proceduresnononoyes infoWarpScript
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnonenoneShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesno infoexcept by serializing a db to a fileyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyes
User concepts infoAccess controlnonoMandatory use of cryptographic tokens, containing fine-grained authorizations

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More resources
LMDBSQL.JSSWC-DB infoSuper Wide Column DatabaseWarp 10
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