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DBMS > Quasardb vs. STSdb

System Properties Comparison Quasardb vs. STSdb

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Editorial information provided by DB-Engines
NameQuasardb  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionDistributed, high-performance timeseries databaseKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.09
Rank#352  Overall
#35  Time Series DBMS
Score0.06
Rank#365  Overall
#54  Key-value stores
Websitequasar.aigithub.com/­STSSoft/­STSdb4
Technical documentationdoc.quasar.ai/­master
DeveloperquasardbSTS Soft SC
Initial release20092011
Current release3.14.1, January 20244.0.8, September 2015
License infoCommercial or Open Sourcecommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C#
Server operating systemsBSD
Linux
OS X
Windows
Windows
Data schemeschema-freeyes
Typing infopredefined data types such as float or dateyes infointeger and binaryyes infoprimitive types and user defined types (classes)
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.no
Secondary indexesyes infowith tagsno
SQL infoSupport of SQLSQL-like query languageno
APIs and other access methodsHTTP API.NET Client API
Supported programming languages.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
C#
Java
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infoconsistent hashingnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication with selectable replication factornone
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoby using LevelDByes
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 trailno

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QuasardbSTSdb
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