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DBMS > EXASOL vs. FoundationDB vs. Memcached vs. Transwarp StellarDB vs. Weaviate

System Properties Comparison EXASOL vs. FoundationDB vs. Memcached vs. Transwarp StellarDB vs. Weaviate

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonFoundationDB  Xexclude from comparisonMemcached  Xexclude from comparisonTranswarp StellarDB  Xexclude from comparisonWeaviate  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Ordered key-value store. Core features are complimented by layers.In-memory key-value store, originally intended for cachingA distributed graph DBMS built for enterprise-level graph applicationsAn AI-native realtime vector database engine that integrates scalable machine learning models.
Primary database modelRelational DBMSDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Key-value storeGraph DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.76
Rank#139  Overall
#62  Relational DBMS
Score1.06
Rank#185  Overall
#31  Document stores
#28  Key-value stores
#85  Relational DBMS
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.07
Rank#371  Overall
#39  Graph DBMS
Score1.52
Rank#153  Overall
#5  Vector DBMS
Websitewww.exasol.comgithub.com/­apple/­foundationdbwww.memcached.orgwww.transwarp.cn/­en/­product/­stellardbgithub.com/­weaviate/­weaviate
weaviate.io
Technical documentationwww.exasol.com/­resourcesapple.github.io/­foundationdbgithub.com/­memcached/­memcached/­wikiweaviate.io/­developers/­weaviate
DeveloperExasolFoundationDBDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalTranswarpWeaviate B.V.
Initial release2000201320032019
Current release6.2.28, November 20201.6.27, May 20241.19, May 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoBSD licensecommercialOpen Source infocommercial license available with Weaviate Enterprise
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.
Implementation languageC++CGo
Server operating systemsLinux
OS X
Windows
FreeBSD
Linux
OS X
Unix
Windows
Data schemeyesschema-free infosome layers support schemasschema-freeyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesno infosome layers support typingnoyes 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.nono
Secondary indexesyesnonoyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLyessupported in specific SQL layer onlynoSQL-like query languageGraphQL is used as query language
APIs and other access methods.Net
JDBC
ODBC
WebSocket
Proprietary protocolOpenCypherGraphQL query language
RESTful HTTP/JSON API
Supported programming languagesJava
Lua
Python
R
.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
JavaScript / TypeScript
Python
Server-side scripts infoStored proceduresuser defined functionsin SQL-layer onlynono
Triggersyesnonono
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnonehorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone infoRepcached, a Memcached patch, provides this functionallityyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyLinearizable consistencyEventual Consistency
Foreign keys infoReferential integrityyesin SQL-layer onlynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardnoyes infousing SASL (Simple Authentication and Security Layer) protocolyesAPI Keys
OpenID Connect Discovery
More information provided by the system vendor
EXASOLFoundationDBMemcachedTranswarp StellarDBWeaviate
Specific characteristicsWeaviate is an open source vector database that is robust, scalable, cloud-native,...
» more
Competitive advantagesFlexible deployment - Free, open source or fully-managed cloud vector database service...
» more
Typical application scenariosAs a database supporting the development of generative AI and semantic search applications...
» more
Key customersAll companies that have data. ​
» more
Market metricsAs of mid 2023: Over 2 million open source downloads 3500+ Weaviate Slack community...
» more
Licensing and pricing modelsWeaviate is open-source, and free to use. Weaviate is also available as a fully managed...
» more

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EXASOLFoundationDBMemcachedTranswarp StellarDBWeaviate
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