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DBMS > chDB vs. DolphinDB vs. SWC-DB

System Properties Comparison chDB vs. DolphinDB vs. SWC-DB

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonDolphinDB  Xexclude from comparisonSWC-DB infoSuper Wide Column Database  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseDolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.A high performance, scalable Wide Column DBMS
Primary database modelRelational DBMSTime Series DBMS
Vector DBMS
Wide column store
Secondary database modelsTime Series DBMSRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.08
Rank#345  Overall
#149  Relational DBMS
Score2.54
Rank#102  Overall
#8  Time Series DBMS
#6  Vector DBMS
Score0.01
Rank#382  Overall
#13  Wide column stores
Websitegithub.com/­chdb-io/­chdbwww.dolphindb.comgithub.com/­kashirin-alex/­swc-db
www.swcdb.org
Technical documentationdoc.chdb.iodocs.dolphindb.cn/­en/­help200/­index.html
DeveloperDolphinDB, IncAlex Kashirin
Initial release202320182020
Current releasev2.00.4, January 20220.5, April 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercial infofree community version availableOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++
Server operating systemsserver-lessLinux
Windows
Linux
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyes
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
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)SQL-like query languageSQL-like query language
APIs and other access methodsJDBC
JSON over HTTP
Kafka
MQTT (Message Queue Telemetry Transport)
ODBC
OPC DA
OPC UA
RabbitMQ
WebSocket
Proprietary protocol
Thrift
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
C#
C++
Go
Java
JavaScript
MatLab
Python
R
Rust
C++
Server-side scripts infoStored proceduresyesno
Triggersnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes
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.yesno
User concepts infoAccess controlAdministrators, Users, Groups

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More resources
chDBDolphinDBSWC-DB infoSuper Wide Column Database
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