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DBMS > KeyDB vs. ObjectBox vs. PostGIS vs. SQream DB vs. Trafodion

System Properties Comparison KeyDB vs. ObjectBox vs. PostGIS vs. SQream DB vs. Trafodion

Editorial information provided by DB-Engines
NameKeyDB  Xexclude from comparisonObjectBox  Xexclude from comparisonPostGIS  Xexclude from comparisonSQream DB  Xexclude from comparisonTrafodion  Xexclude from comparison
Apache Trafodion has been retired in 2021. Therefore it is excluded from the DB-Engines Ranking.
DescriptionAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsExtremely fast embedded database for small devices, IoT and MobileSpatial extension of PostgreSQLa GPU-based, columnar RDBMS for big data analytics workloadsTransactional SQL-on-Hadoop DBMS
Primary database modelKey-value storeObject oriented DBMSSpatial DBMSRelational DBMSRelational DBMS
Secondary database modelsTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.71
Rank#226  Overall
#33  Key-value stores
Score1.20
Rank#170  Overall
#5  Object oriented DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Score0.70
Rank#227  Overall
#104  Relational DBMS
Websitegithub.com/­Snapchat/­KeyDB
keydb.dev
objectbox.iopostgis.netsqream.comtrafodion.apache.org
Technical documentationdocs.keydb.devdocs.objectbox.iopostgis.net/­documentationdocs.sqream.comtrafodion.apache.org/­documentation.html
DeveloperEQ Alpha Technology Ltd.ObjectBox LimitedSQream TechnologiesApache Software Foundation, originally developed by HP
Initial release20192017200520172014
Current release3.4.2, February 20242022.1.6, December 20222.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoBSD-3Open Source infoApache License 2.0Open Source infoGPL v2.0commercialOpen Source infoApache 2.0
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++C and C++CC++, CUDA, Haskell, Java, ScalaC++, Java
Server operating systemsLinuxAndroid
iOS
Linux
macOS
Windows
LinuxLinux
Data schemeschema-freeyesyesyesyes
Typing infopredefined data types such as float or datepartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyesyesyes, 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.nonoyesno
Secondary indexesyes infoby using the Redis Search moduleyesyesnoyes
SQL infoSupport of SQLnonoyesyesyes
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocoProprietary native API.Net
JDBC
ODBC
ADO.NET
JDBC
ODBC
Supported programming languagesC
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
C
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
C++
Java
JavaScript (Node.js)
Python
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresLuanouser defined functionsuser defined functions in PythonJava Stored Procedures
Triggersnonoyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingnoneyes infobased on PostgreSQLhorizontal and vertical partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
online/offline synchronization between client and serveryes infobased on PostgreSQLnoneyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataOptimistic locking, atomic execution of commands blocks and scriptsACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonono
User concepts infoAccess controlsimple password-based access control and ACLyesyes infobased on PostgreSQLfine grained access rights according to SQL-standard
More information provided by the system vendor
KeyDBObjectBoxPostGISSQream DBTrafodion
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