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DBMS > JSqlDb vs. Memcached vs. OrigoDB vs. Postgres-XL

System Properties Comparison JSqlDb vs. Memcached vs. OrigoDB vs. Postgres-XL

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Editorial information provided by DB-Engines
NameJSqlDb  Xexclude from comparisonMemcached  Xexclude from comparisonOrigoDB  Xexclude from comparisonPostgres-XL  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionJavaScript Query Language Database, stores JavaScript objects and primitivesIn-memory key-value store, originally intended for cachingA fully ACID in-memory object graph databaseBased on PostgreSQL enhanced with MPP and write-scale-out cluster features
Primary database modelDocument store
Object oriented DBMS
Key-value storeDocument store
Object oriented DBMS
Relational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.06
Rank#380  Overall
#50  Document stores
#18  Object oriented DBMS
Score0.53
Rank#254  Overall
#117  Relational DBMS
Websitejsqldb.org (offline)www.memcached.orgorigodb.comwww.postgres-xl.org
Technical documentationgithub.com/­memcached/­memcached/­wikiorigodb.com/­docswww.postgres-xl.org/­documentation
DeveloperKonrad von BackstromDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalRobert Friberg et al
Initial release201820032009 infounder the name LiveDB2014 infosince 2012, originally named StormDB
Current release0.8, December 20181.6.27, May 202410 R1, October 2018
License infoCommercial or Open SourceOpen SourceOpen Source infoBSD licenseOpen SourceOpen Source infoMozilla public license
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC#C
Server operating systemsLinux
macOS
Windows
FreeBSD
Linux
OS X
Unix
Windows
Linux
Windows
Linux
macOS
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenonoUser defined using .NET types and collectionsyes
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.nono infocan be achieved using .NETyes infoXML type, but no XML query functionality
Secondary indexesnonoyesyes
SQL infoSupport of SQLnononoyes infodistributed, parallel query execution
APIs and other access methodsProprietary protocol.NET Client API
HTTP API
LINQ
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languagesJavaScript.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresfunctions in JavaScriptnoyesuser defined functions
Triggersnonoyes infoDomain Eventsyes
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioning infoclient side managed; servers are not synchronizedhorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoRepcached, a Memcached patch, provides this functionallitySource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynonodepending on modelyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infoMVCC
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infousing RocksDBnoyes infoWrite ahead logyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolRole based authorizationfine grained access rights according to SQL-standard

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More resources
JSqlDbMemcachedOrigoDBPostgres-XL
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