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DBMS > chDB vs. TerminusDB vs. Tkrzw

System Properties Comparison chDB vs. TerminusDB vs. Tkrzw

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA 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 modelRelational DBMSGraph DBMSKey-value store
Secondary database modelsTime Series DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#376  Overall
#158  Relational DBMS
Score0.23
Rank#316  Overall
#27  Graph DBMS
Score0.07
Rank#372  Overall
#57  Key-value stores
Websitegithub.com/­chdb-io/­chdbterminusdb.comdbmx.net/­tkrzw
Technical documentationdoc.chdb.ioterminusdb.github.io/­terminusdb/­#
DeveloperDataChemist Ltd.Mikio Hirabayashi
Initial release202320182020
Current release11.0.0, January 20230.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoGPL V3Open Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageProlog, RustC++
Server operating systemsserver-lessLinuxLinux
macOS
Data schemeyesschema-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
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)SQL-like query language (WOQL)no
APIs and other access methodsOWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
JavaScript
Python
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesGraph Partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesJournaling Streamsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infousing specific database classes
User concepts infoAccess controlRole-based access controlno

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More resources
chDBTerminusDB infoformer name was DataChemistTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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