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DBMS > etcd vs. LokiJS vs. Sequoiadb vs. SQream DB vs. Valentina Server

System Properties Comparison etcd vs. LokiJS vs. Sequoiadb vs. SQream DB vs. Valentina Server

Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonLokiJS  Xexclude from comparisonSequoiadb  Xexclude from comparisonSQream DB  Xexclude from comparisonValentina Server  Xexclude from comparison
DescriptionA distributed reliable key-value storeIn-memory JavaScript DBMSNewSQL database with distributed OLTP and SQLa GPU-based, columnar RDBMS for big data analytics workloadsObject-relational database and reports server
Primary database modelKey-value storeDocument storeDocument store
Relational DBMS
Relational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.03
Rank#54  Overall
#5  Key-value stores
Score0.49
Rank#260  Overall
#42  Document stores
Score0.50
Rank#258  Overall
#41  Document stores
#120  Relational DBMS
Score0.74
Rank#224  Overall
#103  Relational DBMS
Score0.21
Rank#325  Overall
#144  Relational DBMS
Websiteetcd.io
github.com/­etcd-io/­etcd
github.com/­techfort/­LokiJSwww.sequoiadb.comsqream.comwww.valentina-db.net
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
techfort.github.io/­LokiJSwww.sequoiadb.com/­en/­index.php?m=Files&a=indexdocs.sqream.comvalentina-db.com/­docs/­dokuwiki/­v5/­doku.php
DeveloperSequoiadb Ltd.SQream TechnologiesParadigma Software
Initial release2014201320171999
Current release3.4, August 20192022.1.6, December 20225.7.5
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open SourceOpen 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 languageGoJavaScriptC++C++, CUDA, Haskell, Java, Scala
Server operating systemsFreeBSD
Linux
Windows infoexperimental
server-less, requires a JavaScript environment (browser, Node.js)LinuxLinuxLinux
OS X
Windows
Data schemeschema-freeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenonoyes infooid, date, timestamp, binary, regexyes, ANSI Standard SQL Typesyes
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 indexesnoyes infovia viewsyesnoyes
SQL infoSupport of SQLnonoSQL-like query languageyesyes
APIs and other access methodsgRPC
JSON over HTTP
JavaScript APIproprietary protocol using JSON.Net
JDBC
ODBC
ODBC
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
JavaScript.Net
C++
Java
PHP
Python
C++
Java
JavaScript (Node.js)
Python
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
Server-side scripts infoStored proceduresnoView functions in JavaScriptJavaScriptuser defined functions in Pythonyes
Triggersyes, watching key changesyesnonoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardinghorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.noneSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleDocument is locked during a transactionACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesnoyes
User concepts infoAccess controlnonosimple password-based access controlfine grained access rights according to SQL-standard

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More resources
etcdLokiJSSequoiadbSQream DBValentina Server
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