DBMS > Altibase vs. IBM Db2 vs. PostgreSQL

System Properties Comparison Altibase vs. IBM Db2 vs. PostgreSQL

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Editorial information provided by DB-Engines

Name

Description

An enterprise grade, high-performance RDBMS

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

Widely used open source RDBMS

Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL

Primary database model

Relational DBMS

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

Relational DBMS

with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.

Secondary database models

Document store
RDF store

in DB2 LUW (Linux, Unix, Windows)

Document store

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

Score	1.44
Rank	#145	Overall
	#72	Relational DBMS

Score	157.17
Rank	#6	Overall
	#5	Relational DBMS

Score	552.23
Rank	#4	Overall
	#4	Relational DBMS

Website

altibase.com

www.ibm.com/analytics/db2

www.postgresql.org

Technical documentation

altibase.com/resources/manuals

www.ibm.com/support/knowledgecenter/SSEPGG

www.postgresql.org/docs

Developer

Altibase

IBM

PostgreSQL Global Development Group

www.postgresql.org/developer

Initial release

1999

1983

host version

1989

1989: Postgres, 1996: PostgreSQL

Current release

7.1, July 2017

12.1, October 2016

13.1, November 2020

License

Commercial or Open Source

Open Source

since February 2018

commercial

free version is available

Open Source

BSD

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

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Implementation language

C++

C and C++

Server operating systems

AIX
HP-UX
Linux

AIX
HP-UX
Linux
Solaris
Windows
z/OS

FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows

Data scheme

yes

Typing

predefined data types such as float or date

yes

XML support

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

yes

specific XML-type available, but no XML query functionality.

Secondary indexes

yes

SQL

Support of SQL

ANSI SQL-92

yes

standard with numerous extensions

APIs and other access methods

JDBC
ODBC
Proprietary protocol

ADO.NET
JDBC
JSON style queries

MongoDB compatible
ODBC
XQuery

ADO.NET
JDBC
native C library
ODBC
streaming API for large objects

Supported programming languages

C
C++
Java

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

.Net
C
C++
Delphi
Java

JDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl

Server-side scripts

Stored procedures

stored procedures and stored functions

yes

user defined functions

realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

only with Windows/Unix/Linux Version

partitioning by range, list and (since PostgreSQL 11) by hash

Replication methods

Methods for redundantly storing data on multiple nodes

yes

with separate tools (MQ, InfoSphere)

Source-replica replication

other methods possible by using 3rd party extensions

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

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

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

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

yes

User concepts

Access control

fine grained access rights according to SQL-standard

More information provided by the system vendor

Specific characteristics

Altibase is an enterprise grade open source DBMS . It allows for high performance...
» more

Competitive advantages

Since its inception, Altibase has been renowned for its in-memory capabilities. Altibase...
» more

Typical application scenarios

Altibase has been deployed for over 6000 mission-critical use cases that demand hundreds...
» more

Key customers

Since 1999, Altibase has served over 600 enterprise clients including 9 Fortune Global...
» more

Market metrics

Over 600 global enterprise clients including 8 Fortune Global 500 companies Over...
» more

Licensing and pricing models

No License Cost Altibase is an open source DBMS which includes its sharding Subscription...
» 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.

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

More resources

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