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DBMS > EJDB vs. IBM Db2 warehouse vs. LokiJS vs. Ultipa

System Properties Comparison EJDB vs. IBM Db2 warehouse vs. LokiJS vs. Ultipa

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonLokiJS  Xexclude from comparisonUltipa  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Cloud-based data warehousing serviceIn-memory JavaScript DBMSHigh performance Graph DBMS supporting HTAP high availability cluster deployment
Primary database modelDocument storeRelational DBMSDocument storeGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#296  Overall
#44  Document stores
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score0.49
Rank#260  Overall
#42  Document stores
Score0.19
Rank#330  Overall
#30  Graph DBMS
Websitegithub.com/­Softmotions/­ejdbwww.ibm.com/­products/­db2/­warehousegithub.com/­techfort/­LokiJSwww.ultipa.com
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdtechfort.github.io/­LokiJSwww.ultipa.com/­document
DeveloperSoftmotionsIBMUltipa
Initial release2012201420142019
License infoCommercial or Open SourceOpen Source infoGPLv2commercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCJavaScript
Server operating systemsserver-lesshostedserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesno
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 infoImport/export of XML data possibleno
Secondary indexesnoyesyes infovia views
SQL infoSupport of SQLnoyesno
APIs and other access methodsin-process shared library.NET Client API
JDBC
ODBC
OLE DB
JavaScript APIRESTful HTTP API
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
JavaScriptC++
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoPL/SQL, SQL PLView functions in JavaScript
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardno

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More resources
EJDBIBM Db2 warehouse infoformerly named IBM dashDBLokiJSUltipa
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