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DBMS > H2GIS vs. IBM Db2 warehouse vs. OpenQM

System Properties Comparison H2GIS vs. IBM Db2 warehouse vs. OpenQM

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionSpatial extension of H2Cloud-based data warehousing serviceQpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelSpatial DBMSRelational DBMSMultivalue DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.18
Rank#355  Overall
#5  Spatial DBMS
Score1.87
Rank#161  Overall
#75  Relational DBMS
Score0.60
Rank#275  Overall
#9  Multivalue DBMS
Websitewww.h2gis.orgwww.ibm.com/­products/­db2/­warehousewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationwww.h2gis.org/­docs/­home
DeveloperCNRSIBMRocket Software, originally Martin Phillips
Initial release201320141993
Current release3.4-12
License infoCommercial or Open SourceOpen Source infoLGPL 3.0commercialOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemshostedAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeyesyesyes infowith some exceptions
Typing infopredefined data types such as float or dateyesyes
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.nono infoImport/export of XML data possibleyes
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyesno
APIs and other access methods.NET Client API
JDBC
ODBC
OLE DB
Supported programming languagesJavaJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresyes infobased on H2PL/SQL, SQL PLyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2yesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
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.yesyes
User concepts infoAccess controlyes infobased on H2fine grained access rights according to SQL-standardAccess rights can be defined down to the item level

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More resources
H2GISIBM Db2 warehouse infoformerly named IBM dashDBOpenQM infoalso called QM
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