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DBMS > ObjectBox vs. PouchDB vs. SQream DB vs. Tkrzw

System Properties Comparison ObjectBox vs. PouchDB vs. SQream DB vs. Tkrzw

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Editorial information provided by DB-Engines
NameObjectBox  Xexclude from comparisonPouchDB  Xexclude from comparisonSQream DB  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionLightweight, fast on-device database for IoT, Mobile and Embedded devices, persisting and synchronising objects and vectorsJavaScript DBMS with an API inspired by CouchDBa GPU-based, columnar RDBMS for big data analytics workloadsA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelObject oriented DBMS
Vector DBMS
Document storeRelational DBMSKey-value store
Secondary database modelsTime Series 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
Score2.34
Rank#112  Overall
#21  Document stores
Score0.74
Rank#224  Overall
#103  Relational DBMS
Score0.07
Rank#372  Overall
#57  Key-value stores
Websitegithub.com/­objectbox
objectbox.io
pouchdb.comsqream.comdbmx.net/­tkrzw
Technical documentationdocs.objectbox.iopouchdb.com/­guidesdocs.sqream.com
DeveloperObjectBox LimitedApache Software FoundationSQream TechnologiesMikio Hirabayashi
Initial release2017201220172020
Current release4.0 (May 2024)7.1.1, June 20192022.1.6, December 20220.9.3, August 2020
License infoCommercial or Open SourceBindings are released under Apache 2.0 infoApache License 2.0Open SourcecommercialOpen Source infoApache Version 2.0
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++JavaScriptC++, CUDA, Haskell, Java, ScalaC++
Server operating systemsAndroid
Any POSIX system
Docker
iOS
Linux
macOS
QNX
Windows
server-less, requires a JavaScript environment (browser, Node.js)LinuxLinux
macOS
Data schemeyesschema-freeyesschema-free
Typing infopredefined data types such as float or dateyes, plus "flex" map-like typesnoyes, ANSI Standard SQL Typesno
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 indexesyesyes infovia viewsno
SQL infoSupport of SQLnonoyesno
APIs and other access methodsProprietary native APIHTTP REST infoonly for PouchDB Server
JavaScript API
.Net
JDBC
ODBC
Supported programming languagesC
C++
Dart (Flutter)
Go
Java
Kotlin
Python
Swift
JavaScriptC++
Java
JavaScript (Node.js)
Python
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresnoView functions in JavaScriptuser defined functions in Pythonno
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infowith a proxy-based framework, named couchdb-loungehorizontal and vertical partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesData sync between devices allowing occasional connected databases to work completely offlineMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
nonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
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 persistentyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infousing specific database classes
User concepts infoAccess controlyesnono
More information provided by the system vendor
ObjectBoxPouchDBSQream DBTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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ObjectBoxPouchDBSQream DBTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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