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DBMS > eXtremeDB vs. LokiJS vs. PostGIS vs. SAP SQL Anywhere

System Properties Comparison eXtremeDB vs. LokiJS vs. PostGIS vs. SAP SQL Anywhere

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Editorial information provided by DB-Engines
NameeXtremeDB  Xexclude from comparisonLokiJS  Xexclude from comparisonPostGIS  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparison
DescriptionNatively in-memory DBMS with options for persistency, high-availability and clusteringIn-memory JavaScript DBMSSpatial extension of PostgreSQLRDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments
Primary database modelRelational DBMS
Time Series DBMS
Document storeSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.79
Rank#212  Overall
#100  Relational DBMS
#18  Time Series DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score20.16
Rank#29  Overall
#1  Spatial DBMS
Score3.50
Rank#81  Overall
#44  Relational DBMS
Websitewww.mcobject.comgithub.com/­techfort/­LokiJSpostgis.netwww.sap.com/­products/­technology-platform/­sql-anywhere.html
Technical documentationwww.mcobject.com/­docs/­extremedb.htmtechfort.github.io/­LokiJSpostgis.net/­documentationhelp.sap.com/­docs/­SAP_SQL_Anywhere
DeveloperMcObjectSAP infoformerly Sybase
Initial release2001201420051992
Current release8.2, 20213.4.2, February 202417, July 2015
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoGPL v2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++JavaScriptC
Server operating systemsAIX
HP-UX
Linux
macOS
Solaris
Windows
server-less, requires a JavaScript environment (browser, Node.js)AIX
HP-UX
Linux
OS X
Solaris
Windows
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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 availablenoyesyes
Secondary indexesyesyes infovia viewsyesyes
SQL infoSupport of SQLyes infowith the option: eXtremeSQLnoyesyes
APIs and other access methods.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
JavaScript APIADO.NET
HTTP API
JDBC
ODBC
Supported programming languages.Net
C
C#
C++
Java
Lua
Python
Scala
JavaScriptC
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesView functions in JavaScriptuser defined functionsyes, in C/C++, Java, .Net or Perl
Triggersyes infoby defining eventsyesyesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning / shardingnoneyes infobased on PostgreSQLnone
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
noneyes infobased on PostgreSQLSource-replica replication infoDatabase mirroring
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possibleACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyesyes
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.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyes
User concepts infoAccess controlnoyes infobased on PostgreSQLfine grained access rights according to SQL-standard

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More resources
eXtremeDBLokiJSPostGISSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
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