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DBMS > Greenplum vs. LokiJS vs. SQL.JS

System Properties Comparison Greenplum vs. LokiJS vs. SQL.JS

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Editorial information provided by DB-Engines
NameGreenplum  Xexclude from comparisonLokiJS  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionAnalytic Database platform built on PostgreSQL. Full name is Pivotal Greenplum Database infoA logical database in Greenplum is an array of individual PostgreSQL databases working together to present a single database image.In-memory JavaScript DBMSPort of SQLite to JavaScript
Primary database modelRelational DBMSDocument storeRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.23
Rank#47  Overall
#30  Relational DBMS
Score0.48
Rank#262  Overall
#42  Document stores
Score0.57
Rank#248  Overall
#114  Relational DBMS
Websitegreenplum.orggithub.com/­techfort/­LokiJSsql.js.org
Technical documentationdocs.greenplum.orgtechfort.github.io/­LokiJSsql.js.org/­documentation/­index.html
DeveloperPivotal Software Inc.Alon Zakai infoenhancements implemented by others
Initial release200520142012
Current release7.0.0, September 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJavaScript
Server operating systemsLinuxserver-less, requires a JavaScript environment (browser, Node.js)server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.yes infosince Version 4.2nono
Secondary indexesyesyes infovia views
SQL infoSupport of SQLyesnoyes infoSQL-92 is not fully supported
APIs and other access methodsJDBC
ODBC
JavaScript APIJavaScript API
Supported programming languagesC
Java
Perl
Python
R
JavaScriptJavaScript
Server-side scripts infoStored proceduresyesView functions in JavaScriptno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynonenone
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.no 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.noyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardnono

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More resources
GreenplumLokiJSSQL.JS
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