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DBMS > ObjectBox vs. openGemini vs. Trafodion vs. VelocityDB

System Properties Comparison ObjectBox vs. openGemini vs. Trafodion vs. VelocityDB

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Editorial information provided by DB-Engines
NameObjectBox  Xexclude from comparisonopenGemini  Xexclude from comparisonTrafodion  Xexclude from comparisonVelocityDB  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionExtremely fast embedded database for small devices, IoT and MobileAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityTransactional SQL-on-Hadoop DBMSA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelObject oriented DBMSTime Series DBMSRelational DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.20
Rank#170  Overall
#5  Object oriented DBMS
Score0.01
Rank#375  Overall
#39  Time Series DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websiteobjectbox.iowww.opengemini.org
github.com/­openGemini
trafodion.apache.orgvelocitydb.com
Technical documentationdocs.objectbox.iodocs.opengemini.org/­guidetrafodion.apache.org/­documentation.htmlvelocitydb.com/­UserGuide
DeveloperObjectBox LimitedHuawei and openGemini communityApache Software Foundation, originally developed by HPVelocityDB Inc
Initial release2017202220142011
Current release1.1, July 20232.3.0, February 20197.x
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open Source infoApache Version 2.0Open Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++GoC++, JavaC#
Server operating systemsAndroid
iOS
Linux
macOS
Windows
Linux
Windows
LinuxAny that supports .NET
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesInteger, Float, Boolean, Stringyesyes
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.nononono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoSQL-like query languageyesno
APIs and other access methodsProprietary native APIHTTP RESTADO.NET
JDBC
ODBC
.Net
Supported programming languagesC
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
All languages supporting JDBC/ODBC/ADO.Net.Net
Server-side scripts infoStored proceduresnonoJava Stored Proceduresno
TriggersnononoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesonline/offline synchronization between client and serveryesyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infovia user defined functions and HBaseno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.noyesnoyes
User concepts infoAccess controlyesAdministrators and common users accountsfine grained access rights according to SQL-standardBased on Windows Authentication
More information provided by the system vendor
ObjectBoxopenGeminiTrafodionVelocityDB
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