DBMS > Adabas vs. Derby vs. IBM Db2

System Properties Comparison Adabas vs. Derby vs. IBM Db2

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Editorial information provided by DB-Engines

Name

Description

OLTP - DBMS for mainframes and Linux/Unix/Windows environments info

used typically together with the Natural programming platform

Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.

Common in IBM host environments, 2 different versions for host and Windows/Linux

Primary database model

Multivalue DBMS

Relational DBMS

Relational DBMS info

Since Version 10.5 support for JSON/BSON documents compatible with MongoDB

Secondary database models

Document store
RDF store info

in DB2 LUW (Linux, Unix, Windows)

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	4.65
Rank	#73	Overall
	#1	Multivalue DBMS

Score	6.21
Rank	#58	Overall
	#32	Relational DBMS

Score	163.17
Rank	#6	Overall
	#5	Relational DBMS

Website

www.softwareag.com/corporate/products/adabas_natural/adabas/default.html

db.apache.org/derby

www.ibm.com/analytics/db2

Technical documentation

db.apache.org/derby/manuals/index.html

www.ibm.com/support/knowledgecenter/SSEPGG

Developer

Software AG

Apache Software Foundation

IBM

Initial release

1971

1997

1983

host version

Current release

10.15.2.0, March 2020

12.1, October 2016

License

Commercial or Open Source

commercial

Open Source info

Apache version 2

commercial info

free version is available

Cloud-based only info

Only available as a cloud service

DBaaS offerings (sponsored links) info

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

Java

C and C++

Server operating systems

BS2000
Linux
Unix
Windows
z/OS
z/VSE

All OS with a Java VM

AIX
HP-UX
Linux
Solaris
Windows
z/OS

Data scheme

yes

Typing

predefined data types such as float or date

yes

XML support info

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

yes

Secondary indexes

yes

SQL

Support of SQL

yes

with add-on product Adabas SQL Gateway

yes

APIs and other access methods

HTTP API

with add-on software Adabas SOA Gateway
SOAP-based API info

with add-on software Adabas SOA Gateway

JDBC

ADO.NET
JDBC
JSON style queries info

MongoDB compatible
ODBC
XQuery

Supported programming languages

Natural

Java

C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic

Server-side scripts info

Stored procedures

in Natural

Java Stored Procedures

yes

Triggers

yes

Partitioning methods info

Methods for storing different data on different nodes

yes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vista

none

Sharding

only with Windows/Unix/Linux Version

Replication methods info

Methods for redundantly storing data on multiple nodes

yes, with add-on product Event Replicator

Master-slave replication

yes

with separate tools (MQ, InfoSphere)

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts info

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys info

Referential integrity

yes

Transaction concepts info

Support to ensure data integrity after non-atomic manipulations of data

ACID

Concurrency info

Support for concurrent manipulation of data

yes

Durability info

Support for making data persistent

yes

In-memory capabilities info

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts info

Access control

only with OS-specific tools (e.g. IBM RACF, CA Top Secret)

fine grained access rights according to SQL-standard

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