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DBMS > NCache vs. Neo4j vs. Oracle Coherence vs. Stardog vs. VoltDB

System Properties Comparison NCache vs. Neo4j vs. Oracle Coherence vs. Stardog vs. VoltDB

Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonNeo4j  Xexclude from comparisonOracle Coherence  Xexclude from comparisonStardog  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreScalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offeringsOracles in-memory data grid solutionEnterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualizationDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelKey-value storeGraph DBMSKey-value storeGraph DBMS
RDF store
Relational DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.94
Rank#195  Overall
#29  Key-value stores
Score44.46
Rank#23  Overall
#1  Graph DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score2.02
Rank#123  Overall
#11  Graph DBMS
#6  RDF stores
Score1.44
Rank#158  Overall
#73  Relational DBMS
Websitewww.alachisoft.com/­ncacheneo4j.comwww.oracle.com/­java/­coherencewww.stardog.comwww.voltdb.com
Technical documentationwww.alachisoft.com/­resources/­docsneo4j.com/­docsdocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.stardog.comdocs.voltdb.com
DeveloperAlachisoftNeo4j, Inc.OracleStardog-UnionVoltDB Inc.
Initial release20052007200720102010
Current release5.3.3, April 20245.20, May 202414.1, August 20237.3.0, May 202011.3, April 2022
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableOpen Source infoGPL version3, commercial licenses availablecommercialcommercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/studentsOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
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.
Neo4j Aura: Neo4j’s fully managed cloud service: The zero-admin, always-on graph database for cloud developers.
Implementation languageC#, .NET, .NET Core, JavaJava, ScalaJavaJavaJava, C++
Server operating systemsLinux
Windows
Linux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
All OS with a Java VMLinux
macOS
Windows
Linux
OS X infofor development
Data schemeschema-freeschema-free and schema-optionalschema-freeschema-free and OWL/RDFS-schema supportyes
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryesyesyesyes
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.nonono infoImport/export of XML data possible
Secondary indexesyesyes infopluggable indexing subsystem, by default Apache Lucenenoyes infosupports real-time indexing in full-text and geospatialyes
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.nonoYes, compatible with all major SQL variants through dedicated BI/SQL Serveryes infoonly a subset of SQL 99
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
Bolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
JCache
JPA
RESTful HTTP API
GraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
.Net
C++
Java
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRyes infoUser defined Procedures and Functionsnouser defined functions and aggregates, HTTP Server extensions in JavaJava
Triggersyes infoNotificationsyes infovia event handleryes infoLive Eventsyes infovia event handlersno
Partitioning methods infoMethods for storing different data on different nodesyesyes using Neo4j FabricShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlyyes, with selectable consistency levelMulti-source replication in HA-ClusterMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Causal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Eventual Consistency
Immediate Consistency
Immediate Consistency in HA-Cluster
Foreign keys infoReferential integritynoyes infoRelationships in graphsnoyes inforelationships in graphsno infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingACIDconfigurableACIDACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyes infooptionallyyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Users, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)authentification to access the cache via certificates or http basic authenticationAccess rights for users and rolesUsers and roles with access to stored procedures
More information provided by the system vendor
NCacheNeo4jOracle CoherenceStardogVoltDB
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Neo4j delivers graph technology that has been battle tested for performance and scale...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Neo4j is the market leader, graph database category creator, and the most widely...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Real-Time Recommendations Master Data Management Identity and Access Management Network...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Over 800 commercial customers and over 4300 startups use Neo4j. Flagship customers...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Neo4j boasts the world's largest graph database ecosystem with more than 140 million...
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
GPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
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