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DBMS > Quasardb vs. ToroDB vs. Transwarp StellarDB

System Properties Comparison Quasardb vs. ToroDB vs. Transwarp StellarDB

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Editorial information provided by DB-Engines
NameQuasardb  Xexclude from comparisonToroDB  Xexclude from comparisonTranswarp StellarDB  Xexclude from comparison
ToroDB seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionDistributed, high-performance timeseries databaseA MongoDB-compatible JSON document store, built on top of PostgreSQLA distributed graph DBMS built for enterprise-level graph applications
Primary database modelTime Series DBMSDocument storeGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score0.07
Rank#371  Overall
#39  Graph DBMS
Websitequasar.aigithub.com/­torodb/­serverwww.transwarp.cn/­en/­product/­stellardb
Technical documentationdoc.quasar.ai/­master
Developerquasardb8KdataTranswarp
Initial release20092016
Current release3.14.1, January 2024
License infoCommercial or Open Sourcecommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoAGPL-V3commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++Java
Server operating systemsBSD
Linux
OS X
Windows
All OS with a Java 7 VM
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or dateyes infointeger and binaryyes infostring, integer, double, boolean, date, object_id
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 indexesyes infowith tags
SQL infoSupport of SQLSQL-like query languageSQL-like query language
APIs and other access methodsHTTP APIOpenCypher
Supported programming languages.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresno
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infoconsistent hashingShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication with selectable replication factorSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoTransient mode
User concepts infoAccess controlCryptographically strong user authentication and audit trailAccess rights for users and rolesyes

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More resources
QuasardbToroDBTranswarp StellarDB
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