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DBMS > Elasticsearch vs. eXtremeDB vs. PostgreSQL vs. SAP SQL Anywhere

System Properties Comparison Elasticsearch vs. eXtremeDB vs. PostgreSQL vs. SAP SQL Anywhere

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Editorial information provided by DB-Engines
NameElasticsearch  Xexclude from comparisoneXtremeDB  Xexclude from comparisonPostgreSQL  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparison
DescriptionA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricNatively in-memory DBMS with options for persistency, high-availability and clusteringWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLRDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments
Primary database modelSearch engineRelational DBMS
Time Series DBMS
Relational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Relational DBMS
Secondary database modelsDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score150.17
Rank#7  Overall
#1  Search engines
Score0.38
Rank#221  Overall
#105  Relational DBMS
#12  Time Series DBMS
Score483.91
Rank#4  Overall
#4  Relational DBMS
Score5.04
Rank#60  Overall
#32  Relational DBMS
Websitewww.elastic.co/­products/­elasticsearchwww.mcobject.com/­extremedbfamilywww.postgresql.orgwww.sap.com/­products/­sql-anywhere.html
Technical documentationwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmlwww.mcobject.com/­docs/­eXtremeDB.htmwww.postgresql.org/­docs/­manualshelp.sap.com/­sql-anywhere
DeveloperElasticMcObjectPostgreSQL Global Development Group infowww.postgresql.org/­developerSAP infoformerly Sybase
Initial release201020011989 info1989: Postgres, 1996: PostgreSQL1992
Current release7.3.0, August 20198.0, May 201812.0, October 201917, July 2015
License infoCommercial or Open SourceOpen Source infoApache Version 2; Elastic LicensecommercialOpen Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Elasticsearch Service on Elastic Cloud: Try out the official hosted Elasticsearch and Kibana offering available on AWS and GCP that's powered by the creators of Elasticsearch.
  • Azure Database for PostgreSQL: A fully managed, scalable PostgreSQL relational database with high availability and security built in at no extra cost
  • ScaleGrid: Fully managed PostgreSQL hosting with high availability, dedicated servers, and superuser control on the #1 multi-cloud Amazon RDS alternative.
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Implementation languageJavaC and C++C
Server operating systemsAll OS with a Java VMAIX
HP-UX
Linux
macOS
Solaris
Windows
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
Data schemeschema-free infoFlexible type definitions. Once a type is defined, it is persistentyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 infosupport of XML interfaces availableyes infospecific XML-type available, but no XML query functionality.yes
Secondary indexesyes infoAll search fields are automatically indexedyesyesyes
SQL infoSupport of SQLSQL-like query languageyes infowith the option: eXtremeSQLyes infostandard with numerous extensionsyes
APIs and other access methodsJava API
RESTful HTTP/JSON API
.NET Client API
JDBC
JNI
ODBC
proprietary protocol
native C library
streaming API for large objects
ADO.NET
JDBC
ODBC
HTTP API
ADO.NET
JDBC
ODBC
Supported programming languages.Net
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
Community Contributed Clients
.Net
C
C#
C++
Java
Lua
Python
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesyesuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yes, in C/C++, Java, .Net or Perl
Triggersyes infoby using the 'percolation' featureyes infoby defining eventsyesyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning / shardingpartitioning by range, list and (since PostgreSQL 11) by hashnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesMaster-master replication infoby means of eXtremeDB Cluster option
Master-slave replication infoby means of eXtremeDB High Availability option
Master-slave replication infoother methods possible by using 3rd party extensionsMaster-slave replication infoDatabase mirroring
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectornonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Memcached and Redis integrationyesnoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
ElasticsearcheXtremeDBPostgreSQLSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
Specific characteristicsElasticsearch is a highly scalable open source full-text search and analytics engine....
» more
eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantagesOpen source, real-time index, search and analysis, horizontally scalable, distributed,...
» more
eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Typical application scenarios
» more
IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
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Key customers
» more
Schneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsMore than 250 million cumulative downloads More than 100,000 community members in...
» more
With hundreds of customers and over 28 million devices/applications using the product...
» more
Licensing and pricing modelsThe Elastic Stack (Elasticsearch, Kibana, Beats, and Logstash) is free and open source...
» more
For server use cases, there is a simple per-server license irrespective of the number...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
ElasticsearcheXtremeDBPostgreSQLSAP SQL Anywhere infoformerly called Adaptive Server Anywhere
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Recent citations in the news

Elasticsearch Service Now Available on Google Cloud Marketplace
22 October 2019, Business Wire

Review: Elasticsearch 7 soars with SQL, search optimizations
2 October 2019, InfoWorld

Bull of the Day: Elastic (ESTC)
23 October 2019, Nasdaq

What's the point: Azure ships Repos app, final EAP for latest TeamCity, Elasticsearch, and Istio
23 October 2019, DevClass

AWS faces Elasticsearch lawsuit for trademark infringement
1 October 2019, TechTarget

provided by Google News

McObject's eXtremeDB for HPC is Now Available on AWS
15 October 2019, HPCwire

eXtremeDB shortlisted for two Data Management Insight Awards
26 September 2019, Yahoo Finance

eXtremeDB shortlisted in 4 different best DBMS categories in 1 week
8 October 2019, IoT For All

People Moves: AlgoDynamix, Tourmaline , Asset Control, SIX
27 September 2019, www.waterstechnology.com

Unique Active Replication Fabric feature announced by McObject for its eXtremeDB IoT SDK bundle
13 May 2019, GlobeNewswire

provided by Google News

PostgreSQL 12 boosts open source database performance
14 October 2019, TechTarget

PostgreSQL turns performance up for v12 release
3 October 2019, DevClass

PostgreSQL 12 Released
14 October 2019, iProgrammer

PostgreSQL puts the pedal to the metal with some smart indexing tweaks in version 12
4 October 2019, The Register

2ndQuadrant Contributes Major Features to PostgreSQL 12
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provided by Google News

What is SAP SQL Anywhere? - Definition from WhatIs.com
13 October 2016, TechTarget

SAP gives SQL Anywhere a new IoT injection
16 July 2015, Computerworld

SAP BAPI (Business Application Programming Interface)
2 April 2018, TechTarget

Rimini Street to offer database, security services
7 June 2017, ZDNet

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28 December 2015, TechTarget

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