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DBMS > NCache vs. RethinkDB vs. Weaviate

System Properties Comparison NCache vs. RethinkDB vs. Weaviate

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonRethinkDB  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreDBMS for the Web with a mechanism to push updated query results to applications in realtime.An AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelKey-value storeDocument storeVector DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.94
Rank#195  Overall
#29  Key-value stores
Score2.74
Rank#105  Overall
#19  Document stores
Score1.73
Rank#143  Overall
#5  Vector DBMS
Websitewww.alachisoft.com/­ncacherethinkdb.comgithub.com/­weaviate/­weaviate
weaviate.io
Technical documentationwww.alachisoft.com/­resources/­docsrethinkdb.com/­docsweaviate.io/­developers/­weaviate
DeveloperAlachisoftThe Linux Foundation infosince July 2017Weaviate B.V.
Initial release200520092019
Current release5.3.3, April 20242.4.1, August 20201.19, May 2023
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableOpen Source infoApache Version 2Open Source infocommercial license available with Weaviate Enterprise
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 languageC#, .NET, .NET Core, JavaC++Go
Server operating systemsLinux
Windows
Linux
OS X
Windows
Data schemeschema-freeschema-freeyes, maps to GraphQL interface
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes infostring, binary, float, bool, date, geometryyes infostring, int, float, geo point, date, cross reference, fuzzy references
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
Secondary indexesyesyesyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.noGraphQL is used as query language
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
GraphQL query language
RESTful HTTP/JSON API
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
JavaScript / TypeScript
Python
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRno
Triggersyes infoNotificationsClient-side triggers through changefeedsno
Partitioning methods infoMethods for storing different data on different nodesyesSharding inforange basedSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelSource-replica replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingAtomic single-document operationsno
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCC basedyes
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 controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)yes infousers and table-level permissionsAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
NCacheRethinkDBWeaviate
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Weaviate is an open source vector database that is robust, scalable, cloud-native,...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Flexible deployment - Free, open source or fully-managed cloud vector database service...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
As a database supporting the development of generative AI and semantic search applications...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
All companies that have data. ​
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
As of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
Weaviate is open-source, and free to use. Weaviate is also available as a fully managed...
» more

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More resources
NCacheRethinkDBWeaviate
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Recent citations in the news

How to use NCache in ASP.Net Core
25 February 2019, InfoWorld

Custom Response Caching Using NCache in ASP.NET Core
22 April 2020, InfoQ.com

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