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DBMS > Adabas vs. Apache Drill vs. FatDB vs. OpenMLDB vs. OushuDB

System Properties Comparison Adabas vs. Apache Drill vs. FatDB vs. OpenMLDB vs. OushuDB

Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonApache Drill  Xexclude from comparisonFatDB  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOushuDB  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformSchema-free SQL Query Engine for Hadoop, NoSQL and Cloud StorageA .NET NoSQL DBMS that can integrate with and extend SQL Server.An open-source machine learning database that provides a feature platform for training and inferenceA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning
Primary database modelMultivalue DBMSDocument store
Relational DBMS
Document store
Key-value store
Time Series DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.79
Rank#102  Overall
#2  Multivalue DBMS
Score2.02
Rank#124  Overall
#22  Document stores
#59  Relational DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.10
Rank#355  Overall
#154  Relational DBMS
Websitewww.softwareag.com/­en_corporate/­platform/­adabas-natural.htmldrill.apache.orgopenmldb.aiwww.oushu.com/­product/­oushuDB
Technical documentationdrill.apache.org/­docsopenmldb.ai/­docs/­zh/­mainwww.oushu.com/­documentation
DeveloperSoftware AGApache Software FoundationFatCloud4 Paradigm Inc.Oushu
Initial release1971201220122020
Current release1.20.3, January 20232024-2 February 20244.0.1, August 2020
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2commercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#C++, Java, Scala
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
Linux
OS X
Windows
WindowsLinuxLinux
Data schemeyesschema-freeschema-freeFixed schemayes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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 indexesyesnoyesyesyes
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewaySQL SELECT statement is SQL:2003 compliantno infoVia inetgration in SQL ServeryesFull-featured ANSI SQL support
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
JDBC
ODBC
RESTful HTTP API
.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
JDBC
SQLAlchemy
JDBC
ODBC
Supported programming languagesNaturalC++C#C++
Go
Java
Python
Scala
C
C++
Server-side scripts infoStored proceduresin Naturaluser defined functionsyes infovia applicationsnoyes
Triggersnonoyes infovia applicationsnoyes
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistaShardingShardinghorizontal partitioningyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event Replicatorselectable replication factorSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyesHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnononoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesDepending on the underlying data sourceyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noDepending on the underlying data sourceyes
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)Depending on the underlying data sourceno infoCan implement custom security layer via applicationsfine grained access rights according to SQL-standardKerberos, SSL and role based access

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Adabas infodenotes "adaptable data base"Apache DrillFatDBOpenMLDBOushuDB
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