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DBMS > Adabas vs. chDB

System Properties Comparison Adabas vs. chDB

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Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonchDB  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformAn embedded SQL OLAP Engine powered by ClickHouse
Primary database modelMultivalue DBMSRelational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.77
Rank#95  Overall
#1  Multivalue DBMS
Score0.07
Rank#346  Overall
#150  Relational DBMS
Websitewww.softwareag.com/­en_corporate/­platform/­adabas-natural.htmlgithub.com/­chdb-io/­chdb
Technical documentationdoc.chdb.io
DeveloperSoftware AG
Initial release19712023
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
server-less
Data schemeyes
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.no
Secondary indexesyes
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewayClose to ANSI SQL (SQL/JSON + extensions)
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
Supported programming languagesNaturalBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresin Natural
Triggersno
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vista
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event Replicator
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)

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More resources
Adabas infodenotes "adaptable data base"chDB
Recent citations in the news

Software AG retrenches to its core ARIS process management and A&N mainframe tools
8 January 2025, diginomica

Re-evaluating legacy: Should you leave Adabas (and Natural) behind?
30 May 2024, ITWeb

IBM buys 50-year-old Software AG's enterprise tech units for €2.13B in cash
18 December 2023, The Register

Software AG: Pioneering process management solutions
15 May 2024, SiliconANGLE News

Almost nothing remains of Software AG
7 January 2025, CIO

provided by Google News



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