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DBMS > EventStoreDB vs. Memcached vs. Sequoiadb vs. Transwarp StellarDB vs. Valentina Server

System Properties Comparison EventStoreDB vs. Memcached vs. Sequoiadb vs. Transwarp StellarDB vs. Valentina Server

Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonMemcached  Xexclude from comparisonSequoiadb  Xexclude from comparisonTranswarp StellarDB  Xexclude from comparisonValentina Server  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.In-memory key-value store, originally intended for cachingNewSQL database with distributed OLTP and SQLA distributed graph DBMS built for enterprise-level graph applicationsObject-relational database and reports server
Primary database modelEvent StoreKey-value storeDocument store
Relational DBMS
Graph DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.10
Rank#179  Overall
#1  Event Stores
Score19.42
Rank#32  Overall
#4  Key-value stores
Score0.45
Rank#261  Overall
#41  Document stores
#122  Relational DBMS
Score0.00
Rank#383  Overall
#39  Graph DBMS
Score0.17
Rank#327  Overall
#145  Relational DBMS
Websitewww.eventstore.comwww.memcached.orgwww.sequoiadb.comwww.transwarp.cn/­en/­product/­stellardbwww.valentina-db.net
Technical documentationdevelopers.eventstore.comgithub.com/­memcached/­memcached/­wikiwww.sequoiadb.com/­en/­index.php?m=Files&a=indexvalentina-db.com/­docs/­dokuwiki/­v5/­doku.php
DeveloperEvent Store LimitedDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSequoiadb Ltd.TranswarpParadigma Software
Initial release2012200320131999
Current release21.2, February 20211.6.25, March 20245.7.5
License infoCommercial or Open SourceOpen SourceOpen Source infoBSD licenseOpen Source infoServer: AGPL; Client: Apache V2commercialcommercial
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 languageCC++
Server operating systemsLinux
Windows
FreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
OS X
Windows
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyes infooid, date, timestamp, binary, regexyes
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.no
Secondary indexesnoyesyes
SQL infoSupport of SQLnoSQL-like query languageSQL-like query languageyes
APIs and other access methodsProprietary protocolproprietary protocol using JSONOpenCypherODBC
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C++
Java
PHP
Python
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
Server-side scripts infoStored proceduresnoJavaScriptyes
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentnoyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolsimple password-based access controlyesfine grained access rights according to SQL-standard

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More resources
EventStoreDBMemcachedSequoiadbTranswarp StellarDBValentina Server
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