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DBMS > ClickHouse vs. DolphinDB vs. RocksDB

System Properties Comparison ClickHouse vs. DolphinDB vs. RocksDB

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Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisonDolphinDB  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionColumn-oriented Relational DBMS powering YandexTime Series DBMS for big data, integrated with a lightweight distributed computing framework and a vector programming languageEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelRelational DBMSTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.27
Rank#91  Overall
#45  Relational DBMS
Score0.16
Rank#264  Overall
#18  Time Series DBMS
Score2.70
Rank#104  Overall
#19  Key-value stores
Websiteclickhouse.yandexwww.dolphindb.comrocksdb.org
Technical documentationclickhouse.yandex/­docswww.dolphindb.com/­helpgithub.com/­facebook/­rocksdb/­wiki
DeveloperYandex LLCDolphinDB, IncFacebook, Inc.
Initial release201620182013
Current releasev19.3.5, April 20196.2.2, August 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infofree community version availableOpen Source infoBSD
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++C++
Server operating systemsLinux
Windows
Data schemeschema-free
Typing infopredefined data types such as float or dateyesno
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 indexesnono
SQL infoSupport of SQLSQL-like query languageno
APIs and other access methodsJDBC
ODBC
C++ API
Java API
Supported programming languagesC#
C++
Java
JavaScript
Python
R
C++
Java
Server-side scripts infoStored proceduresyesno
Triggersnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
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 datayesyes
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAdministrators, Users, Groupsno

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More resources
ClickHouseDolphinDBRocksDB
Recent citations in the news

ClickHouse Experiencing Explosive Growth in EU, US and Asia in Q1 2018
23 April 2018, PR Newswire

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