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DBMS > eXtremeDB vs. LokiJS vs. PostgreSQL vs. searchxml vs. Tibero

System Properties Comparison eXtremeDB vs. LokiJS vs. PostgreSQL vs. searchxml vs. Tibero

Editorial information provided by DB-Engines
NameeXtremeDB  Xexclude from comparisonLokiJS  Xexclude from comparisonPostgreSQL  Xexclude from comparisonsearchxml  Xexclude from comparisonTibero  Xexclude from comparison
DescriptionNatively in-memory DBMS with options for persistency, high-availability and clusteringIn-memory JavaScript DBMSWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLDBMS for structured and unstructured content wrapped with an application serverA secure RDBMS, designed for easy portability from Oracle
Primary database modelRelational DBMS
Time Series DBMS
Document storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Native XML DBMS
Search engine
Relational DBMS
Secondary database modelsDocument store
Graph DBMS infowith Apache Age
Spatial DBMS
Vector DBMS infowith pgvector extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.80
Rank#214  Overall
#99  Relational DBMS
#18  Time Series DBMS
Score0.49
Rank#260  Overall
#42  Document stores
Score636.25
Rank#4  Overall
#4  Relational DBMS
Score0.03
Rank#390  Overall
#7  Native XML DBMS
#24  Search engines
Score1.59
Rank#148  Overall
#68  Relational DBMS
Websitewww.mcobject.comgithub.com/­techfort/­LokiJSwww.postgresql.orgwww.searchxml.net/­category/­productsus.tmaxsoft.com/­products/­tibero
Technical documentationwww.mcobject.com/­docs/­extremedb.htmtechfort.github.io/­LokiJSwww.postgresql.org/­docswww.searchxml.net/­support/­handoutstechnet.tmaxsoft.com/­upload/­download/­online/­tibero/­pver-20150504-000002/­index.html
DeveloperMcObjectPostgreSQL Global Development Group infowww.postgresql.org/­developerinformationpartners gmbhTmaxSoft
Initial release200120141989 info1989: Postgres, 1996: PostgreSQL20152003
Current release8.2, 202116.3, May 20241.06, April 2015
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoBSDcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++JavaScriptCC++C and Assembler
Server operating systemsAIX
HP-UX
Linux
macOS
Solaris
Windows
server-less, requires a JavaScript environment (browser, Node.js)FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
WindowsAIX
HP-UX
Linux
Solaris
Windows
Data schemeyesschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyesyesyes
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 infosupport of XML interfaces availablenoyes infospecific XML-type available, but no XML query functionality.yesyes
Secondary indexesyesyes infovia viewsyesyesyes
SQL infoSupport of SQLyes infowith the option: eXtremeSQLnoyes infostandard with numerous extensionsnoyes
APIs and other access methods.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
JavaScript APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
RESTful HTTP API
WebDAV
XQuery
XSLT
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Tibero CLI
Supported programming languages.Net
C
C#
C++
Java
Lua
Python
Scala
JavaScript.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C++ infomost other programming languages supported via APIsC
C#
C++
Cobol
Java
Objective-C
Perl
PHP
Python
Ruby
Visual Basic
Server-side scripts infoStored proceduresyesView functions in JavaScriptuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yes infoon the application serverPersistent Stored Procedure (PSM)
Triggersyes infoby defining eventsyesyesnoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning / shardingnonepartitioning by range, list and (since PostgreSQL 11) by hashnonehorizontal partitioning infoby range, hash, list or composite
Replication methods infoMethods for redundantly storing data on multiple nodesActive Replication Fabric™ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
noneSource-replica replication infoother methods possible by using 3rd party extensionsyes infosychronisation to multiple collectionsMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possibleACIDmultiple readers, single writerACID
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyesyesyes
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.yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnonono infoplanned for next version
User concepts infoAccess controlnofine grained access rights according to SQL-standardDomain, group and role-based access control at the document level and for application servicesfine grained access rights according to SQL-standard (SQL 92, SQL 99)
More information provided by the system vendor
eXtremeDBLokiJSPostgreSQLsearchxmlTibero
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
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Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
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Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
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Market metricsWith hundreds of customers and over 30 million devices/applications using the product...
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Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
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More resources
eXtremeDBLokiJSPostgreSQLsearchxmlTibero
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