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DBMS > NCache vs. Oracle Coherence vs. OrientDB vs. TDengine

System Properties Comparison NCache vs. Oracle Coherence vs. OrientDB vs. TDengine

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonOracle Coherence  Xexclude from comparisonOrientDB  Xexclude from comparisonTDengine  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreOracles in-memory data grid solutionMulti-model DBMS (Document, Graph, Key/Value)Time Series DBMS and big data platform
Primary database modelKey-value storeKey-value storeDocument store
Graph DBMS
Key-value store
Time Series DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.91
Rank#196  Overall
#29  Key-value stores
Score1.90
Rank#127  Overall
#21  Key-value stores
Score3.02
Rank#88  Overall
#16  Document stores
#6  Graph DBMS
#12  Key-value stores
Score2.48
Rank#107  Overall
#9  Time Series DBMS
Websitewww.alachisoft.com/­ncachewww.oracle.com/­java/­coherenceorientdb.orggithub.com/­taosdata/­TDengine
tdengine.com
Technical documentationwww.alachisoft.com/­resources/­docsdocs.oracle.com/­en/­middleware/­standalone/­coherencewww.orientdb.com/­docs/­last/­index.htmldocs.tdengine.com
DeveloperAlachisoftOracleOrientDB LTD; CallidusCloud; SAPTDEngine, previously Taos Data
Initial release2005200720102019
Current release5.3.3, April 202414.1, August 20233.2.29, March 20243.0, August 2022
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availablecommercialOpen Source infoApache version 2Open Source infoAGPL V3, also commercial editions available
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.
Implementation languageC#, .NET, .NET Core, JavaJavaJavaC
Server operating systemsLinux
Windows
All OS with a Java VMAll OS with a Java JDK (>= JDK 6)Linux
Windows
Data schemeschema-freeschema-freeschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")yes
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryesyesyes
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.nononono
Secondary indexesyesnoyesno
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.noSQL-like query language, no joinsStandard SQL with extensions for time-series applications
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
JCache
JPA
RESTful HTTP API
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
JDBC
RESTful HTTP API
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
.Net
C++
Java
.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRnoJava, Javascriptno
Triggersyes infoNotificationsyes infoLive EventsHooksyes, via alarm monitoring
Partitioning methods infoMethods for storing different data on different nodesyesShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelyes, with selectable consistency levelMulti-source replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono infocould be achieved with distributed queries
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonoyes inforelationship in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)authentification to access the cache via certificates or http basic authenticationAccess rights for users and roles; record level security configurableyes
More information provided by the system vendor
NCacheOracle CoherenceOrientDBTDengine
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
TDengine™ is a time-series database designed to help traditional industries overcome...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
High Performance at Any Scale: With its distributed scalable architecture that grows...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
TDengine is purpose-built for Industry 4.0 and the Industrial IoT (IIoT) and particularly...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
TDengine has garnered over 23,000 stars on GitHub and is used in over 50 countries...
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
TDengine OSS is free, open-source software released under the AGPLv3. TDengine Enterprise...
» more
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