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DBMS > Adabas vs. AlaSQL vs. chDB vs. RDFox vs. TerminusDB

System Properties Comparison Adabas vs. AlaSQL vs. chDB vs. RDFox vs. TerminusDB

Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonAlaSQL  Xexclude from comparisonchDB  Xexclude from comparisonRDFox  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformJavaScript DBMS libraryAn embedded SQL OLAP Engine powered by ClickHouseHigh performance knowledge graph and semantic reasoning engineScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelMultivalue DBMSDocument store
Relational DBMS
Relational DBMSGraph DBMS
RDF store
Graph DBMS
Secondary database modelsTime Series DBMSRelational DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.79
Rank#102  Overall
#2  Multivalue DBMS
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score0.07
Rank#376  Overall
#158  Relational DBMS
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Score0.23
Rank#316  Overall
#27  Graph DBMS
Websitewww.softwareag.com/­en_corporate/­platform/­adabas-natural.htmlalasql.orggithub.com/­chdb-io/­chdbwww.oxfordsemantic.techterminusdb.com
Technical documentationgithub.com/­AlaSQL/­alasqldoc.chdb.iodocs.oxfordsemantic.techterminusdb.github.io/­terminusdb/­#
DeveloperSoftware AGAndrey Gershun & Mathias R. WulffOxford Semantic TechnologiesDataChemist Ltd.
Initial release19712014202320172018
Current release6.0, Septermber 202211.0.0, January 2023
License infoCommercial or Open SourcecommercialOpen Source infoMIT-LicenseOpen Source infoApache Version 2.0commercialOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC++Prolog, Rust
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
server-less, requires a JavaScript environment (browser, Node.js)server-lessLinux
macOS
Windows
Linux
Data schemeyesschema-freeyes infoRDF schemasyes
Typing infopredefined data types such as float or dateyesnoyesyes
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 indexesyesno
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewayClose to SQL99, but no user access control, stored procedures and host language bindings.Close to ANSI SQL (SQL/JSON + extensions)noSQL-like query language (WOQL)
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
JavaScript APIRESTful HTTP API
SPARQL 1.1
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesNaturalJavaScriptBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
C
Java
JavaScript
Python
Server-side scripts infoStored proceduresin Naturalnoyes
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistanoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event Replicatornonereplication via a shared file systemJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes infoonly for local storage and DOM-storageACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)noRoles, resources, and access typesRole-based access control

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More resources
Adabas infodenotes "adaptable data base"AlaSQLchDBRDFoxTerminusDB infoformer name was DataChemist
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