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DBMS > ObjectBox vs. OpenMLDB vs. SQream DB vs. Valentina Server

System Properties Comparison ObjectBox vs. OpenMLDB vs. SQream DB vs. Valentina Server

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Editorial information provided by DB-Engines
NameObjectBox  Xexclude from comparisonOpenMLDB  Xexclude from comparisonSQream DB  Xexclude from comparisonValentina Server  Xexclude from comparison
DescriptionLightweight, fast on-device database for IoT, Mobile and Embedded devices, persisting and synchronising objects and vectorsAn open-source machine learning database that provides a feature platform for training and inferencea GPU-based, columnar RDBMS for big data analytics workloadsObject-relational database and reports server
Primary database modelObject oriented DBMS
Vector DBMS
Time Series DBMSRelational DBMSRelational DBMS
Secondary database modelsTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.29
Rank#166  Overall
#5  Object oriented DBMS
#7  Vector DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.74
Rank#224  Overall
#103  Relational DBMS
Score0.21
Rank#325  Overall
#144  Relational DBMS
Websitegithub.com/­objectbox
objectbox.io
openmldb.aisqream.comwww.valentina-db.net
Technical documentationdocs.objectbox.ioopenmldb.ai/­docs/­zh/­maindocs.sqream.comvalentina-db.com/­docs/­dokuwiki/­v5/­doku.php
DeveloperObjectBox Limited4 Paradigm Inc.SQream TechnologiesParadigma Software
Initial release2017202020171999
Current release4.0 (May 2024)2024-2 February 20242022.1.6, December 20225.7.5
License infoCommercial or Open SourceBindings are released under Apache 2.0 infoApache License 2.0Open Sourcecommercialcommercial
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 and C++C++, Java, ScalaC++, CUDA, Haskell, Java, Scala
Server operating systemsAndroid
Any POSIX system
Docker
iOS
Linux
macOS
QNX
Windows
LinuxLinuxLinux
OS X
Windows
Data schemeyesFixed schemayesyes
Typing infopredefined data types such as float or dateyes, plus "flex" map-like typesyesyes, 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.nono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLnoyesyesyes
APIs and other access methodsProprietary native APIJDBC
SQLAlchemy
.Net
JDBC
ODBC
ODBC
Supported programming languagesC
C++
Dart (Flutter)
Go
Java
Kotlin
Python
Swift
C++
Go
Java
Python
Scala
C++
Java
JavaScript (Node.js)
Python
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
Server-side scripts infoStored proceduresnonouser defined functions in Pythonyes
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioninghorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesData sync between devices allowing occasional connected databases to work completely offlineSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlyesfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
ObjectBoxOpenMLDBSQream DBValentina Server
News

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23 May 2024

On-device Vector Database for Dart/Flutter
21 May 2024

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More resources
ObjectBoxOpenMLDBSQream DBValentina Server
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