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DBMS > ObjectBox vs. SQL.JS vs. WakandaDB vs. XTDB

System Properties Comparison ObjectBox vs. SQL.JS vs. WakandaDB vs. XTDB

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Editorial information provided by DB-Engines
NameObjectBox  Xexclude from comparisonSQL.JS  Xexclude from comparisonWakandaDB  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionExtremely fast embedded database for small devices, IoT and MobilePort of SQLite to JavaScriptWakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access dataA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelObject oriented DBMSRelational DBMSObject oriented DBMSDocument 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
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.10
Rank#356  Overall
#16  Object oriented DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websiteobjectbox.iosql.js.orgwakanda.github.iogithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationdocs.objectbox.iosql.js.org/­documentation/­index.htmlwakanda.github.io/­docwww.xtdb.com/­docs
DeveloperObjectBox LimitedAlon Zakai infoenhancements implemented by othersWakanda SASJuxt Ltd.
Initial release2017201220122019
Current release2.7.0 (April 29, 2019), April 20191.19, September 2021
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open SourceOpen Source infoAGPLv3, extended commercial license availableOpen Source infoMIT License
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++, JavaScriptClojure
Server operating systemsAndroid
iOS
Linux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyes, extensible-data-notation format
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 indexesyesyes
SQL infoSupport of SQLnoyes infoSQL-92 is not fully supportednolimited SQL, making use of Apache Calcite
APIs and other access methodsProprietary native APIJavaScript APIRESTful HTTP APIHTTP REST
JDBC
Supported programming languagesC
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
JavaScriptJavaScriptClojure
Java
Server-side scripts infoStored proceduresnonoyesno
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesonline/offline synchronization between client and servernonenoneyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesno infoexcept by serializing a db to a fileyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlyesnoyes
More information provided by the system vendor
ObjectBoxSQL.JSWakandaDBXTDB infoformerly named Crux
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More resources
ObjectBoxSQL.JSWakandaDBXTDB infoformerly named Crux
DB-Engines blog posts

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