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DBMS > Quasardb vs. RisingWave vs. Tkrzw

System Properties Comparison Quasardb vs. RisingWave vs. Tkrzw

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Editorial information provided by DB-Engines
NameQuasardb  Xexclude from comparisonRisingWave  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionDistributed, high-performance timeseries databaseA distributed RDBMS for stream processing, wire-compatible with PostgreSQLA 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 modelTime Series DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score0.64
Rank#238  Overall
#110  Relational DBMS
Score0.07
Rank#372  Overall
#57  Key-value stores
Websitequasar.aiwww.risingwave.com/­databasedbmx.net/­tkrzw
Technical documentationdoc.quasar.ai/­masterdocs.risingwave.com/­docs/­current/­intro
DeveloperquasardbRisingWave LabsMikio Hirabayashi
Initial release200920222020
Current release3.14.1, January 20241.2, September 20230.9.3, August 2020
License infoCommercial or Open Sourcecommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoApache Version 2.0Open Source infoApache Version 2.0
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++RustC++
Server operating systemsBSD
Linux
OS X
Windows
Docker
Linux
macOS
Linux
macOS
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyes infointeger and binaryStandard SQL-types and JSONno
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 indexesyes infowith tagsyes
SQL infoSupport of SQLSQL-like query languageyesno
APIs and other access methodsHTTP APIJDBC
PostgreSQL wire protocol
Supported programming languages.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Go
Java
JavaScript (Node.js)
Python
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresnoUDFs in Python or Javano
Triggersnonono
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 integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
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 LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoTransient modeyesyes infousing specific database classes
User concepts infoAccess controlCryptographically strong user authentication and audit trailUsers and Rolesno

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More resources
QuasardbRisingWaveTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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