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DBMS > Apache Solr vs. OpenEdge vs. RDFox

System Properties Comparison Apache Solr vs. OpenEdge vs. RDFox

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Editorial information provided by DB-Engines
NameApache Solr  Xexclude from comparisonOpenEdge  Xexclude from comparisonRDFox  Xexclude from comparison
DescriptionA widely used distributed, scalable search engine based on Apache LuceneApplication development environment with integrated database management systemHigh performance knowledge graph and semantic reasoning engine
Primary database modelSearch engineRelational DBMSGraph DBMS
RDF store
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score32.79
Rank#23  Overall
#3  Search engines
Score3.49
Rank#75  Overall
#39  Relational DBMS
Score0.24
Rank#299  Overall
#24  Graph DBMS
#12  RDF stores
Websitesolr.apache.orgwww.progress.com/­openedgewww.oxfordsemantic.tech
Technical documentationsolr.apache.org/­resources.htmldocumentation.progress.com/­output/­ua/­OpenEdge_latestdocs.oxfordsemantic.tech
DeveloperApache Software FoundationProgress Software CorporationOxford Semantic Technologies
Initial release200619842017
Current release9.6.1, May 2024OpenEdge 12.2, March 20206.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++
Server operating systemsAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)AIX
HP-UX
Linux
Solaris
Windows
Linux
macOS
Windows
Data schemeyes infoDynamic Fields enables on-the-fly addition of new fieldsyesyes infoRDF schemas
Typing infopredefined data types such as float or dateyes infosupports customizable data types and automatic typingyesyes
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.yesyes
Secondary indexesyes infoAll search fields are automatically indexedyes
SQL infoSupport of SQLSolr Parallel SQL Interfaceyes infoclose to SQL 92no
APIs and other access methodsJava API
RESTful HTTP/JSON API
JDBC
ODBC
RESTful HTTP API
SPARQL 1.1
Supported programming languages.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Progress proprietary ABL (Advanced Business Language)C
Java
Server-side scripts infoStored proceduresJava pluginsyes
Triggersyes infoUser configurable commands triggered on index changesyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning infosince Version 11.4
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationreplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsspark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduceno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic lockingACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlyesUsers and groupsRoles, resources, and access types

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More resources
Apache SolrOpenEdgeRDFox
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