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DBMS > H2GIS vs. Milvus vs. OpenSearch vs. Oracle Rdb vs. PostGIS

System Properties Comparison H2GIS vs. Milvus vs. OpenSearch vs. Oracle Rdb vs. PostGIS

Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonMilvus  Xexclude from comparisonOpenSearch  Xexclude from comparisonOracle Rdb  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionSpatial extension of H2A DBMS designed for efficient storage of vector data and vector similarity searchesA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache LuceneSpatial extension of PostgreSQL
Primary database modelSpatial DBMSVector DBMSSearch engineRelational DBMSSpatial DBMS
Secondary database modelsRelational DBMSVector DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#385  Overall
#7  Spatial DBMS
Score3.01
Rank#89  Overall
#4  Vector DBMS
Score16.31
Rank#36  Overall
#4  Search engines
Score1.04
Rank#184  Overall
#84  Relational DBMS
Score20.16
Rank#29  Overall
#1  Spatial DBMS
Websitewww.h2gis.orgmilvus.iogithub.com/­opensearch-project
opensearch.org
www.oracle.com/­database/­technologies/­related/­rdb.htmlpostgis.net
Technical documentationwww.h2gis.org/­docs/­homemilvus.io/­docs/­overview.mdopensearch.org/­docs/­latestwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlpostgis.net/­documentation
DeveloperCNRSAmazon Web ServicesOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release20132019202119842005
Current release2.4.4, May 20242.5.0, January 20237.4.1.1, 20213.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open Source infoApache Version 2.0Open Source infoApache Version 2.0commercialOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Zilliz Cloud – Cloud-native service for MilvusSTACKIT OpenSearch offers OpenSearch in a managed version in enterprise grade, 100% GDPR-compliant, for a wide range of applications like analytics, website search, offering scalability and fast data access.
Implementation languageJavaC++, GoJavaC
Server operating systemsLinux
macOS info10.14 or later
Windows infowith WSL 2 enabled
All OS with a Java VMHP Open VMS
Data schemeyesschema-free infoFlexible type definitions. Once a type is defined, it is persistentFlexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or dateyesVector, Numeric and Stringyesyesyes
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.nononoyes
Secondary indexesyesnoyes infoAll search fields are automatically indexedyesyes
SQL infoSupport of SQLyesnoSQL-like query languageyesyes
APIs and other access methodsRESTful HTTP APIJava API
RESTful HTTP/JSON API
Supported programming languagesJavaC++
Go
Java
JavaScript (Node.js)
Python
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
Server-side scripts infoStored proceduresyes infobased on H2noyesuser defined functions
Triggersyesnoyes infoby using the 'percolation' featureyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2yesyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyBounded Staleness
Eventual Consistency
Immediate Consistency
Session Consistency
Tunable Consistency
Eventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, allImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoyes, on a single nodeACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnono
User concepts infoAccess controlyes infobased on H2Role based access control and fine grained access rightsyes infobased on PostgreSQL
More information provided by the system vendor
H2GISMilvusOpenSearchOracle RdbPostGIS
Specific characteristicsMilvus is an open-source and cloud-native vector database built for production-ready...
» more
OpenSearch is a highly scalable and extensible open-source software suite for search,...
» more
Competitive advantagesHighly available, versatile, and robust with millisecond latency. Supports batch...
» more
Distributed as fully open source under Apache License, Version 2.0 (ALv2), OpenSearch...
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Typical application scenariosRAG: retrieval augmented generation Video media : video understanding, video deduplication....
» more
The OpenSearch platform is used across a broad range of search , analytics, and observability...
» more
Key customersMilvus is trusted by thousands of enterprises, including PayPal, eBay, IKEA, LINE,...
» more
Market metricsAs of January 2024, 25k+ GitHub stars 10M+ downloads and installations​ ​ 3k+ enterprise...
» more
Licensing and pricing modelsMilvus was released under the open-source Apache License 2.0 in October 2019. Fully-managed...
» more
The OpenSearch Project offers open source software licensed under Apache License...
» more

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More resources
H2GISMilvusOpenSearchOracle RdbPostGIS
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