DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Adabas vs. Cassandra vs. Weaviate

System Properties Comparison Adabas vs. Cassandra vs. Weaviate

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonCassandra  Xexclude from comparisonWeaviate  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA RESTful and GraphQL based knowledge graph with a built-in semantic model called the contextionary which allows a user to store data based on its semantic meaning
Primary database modelMultivalue DBMSWide column storeGraph DBMS
Secondary database modelsSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.34
Rank#70  Overall
#1  Multivalue DBMS
Score120.71
Rank#10  Overall
#1  Wide column stores
Score0.00
Rank#337  Overall
#32  Graph DBMS
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlcassandra.apache.orggithub.com/­semi-technologies/­weaviate
www.semi.technology/­products/­weaviate.html
Technical documentationcassandra.apache.org/­doc/­latestwww.semi.technology/­documentation/­weaviate/­current
DeveloperSoftware AGApache Software Foundation infoApache top level project, originally developped by FacebookSeMI Technologies B.V.
Initial release197120082017
Current release3.11.5, October 20190.20, October 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2Open Source infocommercial license available with Weaviate Enterprise
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 languageJavaGo
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
BSD
Linux
OS X
Windows
Data schemeyesschema-freeyes, maps to GraphQL interface
Typing infopredefined data types such as float or dateyesyesyes infostring, int, float, geo point, date, cross reference, fuzzy references
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 indexesyesrestricted infoonly equality queries, not always the best performing solutionyes infoall data objects are indexed in a semantic vector space (the Contextionary), all primitive fields are indexed
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewaySQL-like SELECT, DML and DDL statements (CQL)GraphQL is used as query language
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
Proprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
GraphQL query language
RESTful HTTP/JSON API
Supported programming languagesNaturalC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresin Naturalnono
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistaSharding infono "single point of failure"Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event Replicatorselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoAtomicity and isolation are supported for single operationsno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonono
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)Access rights for users can be defined per objectOpenID Connect Discovery
More information provided by the system vendor
Adabas infodenotes "adaptable data base"CassandraWeaviate
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
» more

DataStax Enterprise: Apache Cassandra for enterprises.
» more

Instaclustr: Fully Hosted and Managed Apache Cassandra
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Adabas infodenotes "adaptable data base"CassandraWeaviate
DB-Engines blog posts

Cassandra keeps climbing the ranks of the DB-Engines Ranking
3 May 2016, Matthias Gelbmann

Oracle is the DBMS of the Year
5 January 2016, Paul Andlinger, Matthias Gelbmann

Winners, losers and an attractive newcomer in Novembers DB-Engines ranking
2 November 2015, Paul Andlinger

show all

Conferences and events

DataStax Accelerate
San Diego, California, USA, 11-13 May 2020

Recent citations in the news

Software AG (OTCMKTS:STWRY) Given Consensus Recommendation of “Hold” by Analysts
6 December 2019, Slater Sentinel

Software AG Announces New “Adabas & Natural 2050” Agenda
31 August 2016, Business Wire

Software (ETR:SOW) Given a €34.00 Price Target at Baader Bank
22 November 2019, Mitchell Messenger

A guide to legacy app modernization tool providers
2 December 2019, SDTimes.com

Software (OTCMKTS:STWRY) Stock Price Crosses Above 200 Day Moving Average of $7.69
19 November 2019, Riverton Roll

provided by Google News

AWS launches managed Cassandra services
3 December 2019, TechCrunch

AWS Launches Cassandra Service
3 December 2019, Datanami

AWS re:Invent: CodeGuru, SageMaker Studio, and Managed Apache Cassandra
4 December 2019, SDTimes.com

When – and When Not – to Use Open Source Apache Cassandra, Kafka, Spark and Elasticsearch
3 December 2019, Datanami

DataStax to Speak at Big Data LDN and Host Cassandra Meetup
8 November 2019, Business Wire

provided by Google News

Dragon Runner is a space-based indie game that’s as deep and accessible as Mario
3 January 2013, VentureBeat

provided by Google News

Job opportunities

SQL Server Database Administrator
City of Philadelphia, Philadelphia, PA

Senior Software Engineer
Software AG, Denver, CO

Adabas Natural Programmer Analyst
Peer Solutions Group, Columbia, SC

Software Engineer II (ADABAS & Natural)
US House Of Representatives - CAO, Washington, DC

Computer Programmer/Analyst
GLR SYSTEMS, Atlanta, GA

Principal Big Data Engineer
Fidelity Investments, Boston, MA

Big Data Principal Developer
Waste Management, Houston, TX

Senior Data Scientist
HCA Healthcare, Nashville, TN

Senior Graph Database Developer
GEICO, Chevy Chase, MD

Data Architect
LendingPoint Consolidated Inc, Kennesaw, GA

jobs by Indeed




Share this page

Featured Products


Datastax logo

Build data-driven applications that set the standard for performance, availability,
& scale with DataStax.
Learn more.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Redis logo

Hosted, serverless DBaaS
in 3 steps.

30MB Free!
Start now.

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Present your product here