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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
NameAltibase  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionAn enterprise grade, high-performance RDBMSCommon in IBM host environments, 2 different versions for host and Windows/LinuxWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelRelational DBMSRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.44
Rank#145  Overall
#72  Relational DBMS
Score157.17
Rank#6  Overall
#5  Relational DBMS
Score552.23
Rank#4  Overall
#4  Relational DBMS
Websitealtibase.comwww.ibm.com/­analytics/­db2www.postgresql.org
Technical documentationaltibase.com/­resources/­manualswww.ibm.com/­support/­knowledgecenter/­SSEPGGwww.postgresql.org/­docs
DeveloperAltibaseIBMPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release19991983 infohost version1989 info1989: Postgres, 1996: PostgreSQL
Current release7.1, July 201712.1, October 201613.1, November 2020
License infoCommercial or Open SourceOpen Source infosince February 2018commercial infofree version is availableOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C and C++C
Server operating systemsAIX
HP-UX
Linux
AIX
HP-UX
Linux
Solaris
Windows
z/OS
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.noyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyesyes
SQL infoSupport of SQLANSI SQL-92yesyes infostandard with numerous extensions
APIs and other access methodsJDBC
ODBC
Proprietary protocol
ADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languagesC
C++
Java
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresstored procedures and stored functionsyesuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoonly with Windows/Unix/Linux Versionpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infowith separate tools (MQ, InfoSphere)Source-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
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.yesno
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
AltibaseIBM Db2 infoformerly named DB2 or IBM Database 2PostgreSQL
Specific characteristicsAltibase is an enterprise grade open source DBMS . It allows for high performance...
» more
Competitive advantagesSince its inception, Altibase has been renowned for its in-memory capabilities. Altibase...
» more
Typical application scenariosAltibase has been deployed for over 6000 mission-critical use cases that demand hundreds...
» more
Key customersSince 1999, Altibase has served over 600 enterprise clients including 9 Fortune Global...
» more
Market metricsOver 600 global enterprise clients including 8 Fortune Global 500 companies Over...
» more
Licensing and pricing modelsNo License Cost Altibase is an open source DBMS which includes its sharding Subscription...
» more

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More resources
AltibaseIBM Db2 infoformerly named DB2 or IBM Database 2PostgreSQL
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