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DBMS > H2 vs. Oracle Rdb vs. PostGIS

System Properties Comparison H2 vs. Oracle Rdb vs. PostGIS

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Editorial information provided by DB-Engines
NameH2  Xexclude from comparisonOracle Rdb  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Spatial extension of PostgreSQL
Primary database modelRelational DBMSRelational DBMSSpatial DBMS
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.22
Rank#50  Overall
#32  Relational DBMS
Score1.08
Rank#187  Overall
#85  Relational DBMS
Score23.90
Rank#29  Overall
#1  Spatial DBMS
Websitewww.h2database.comwww.oracle.com/­database/­technologies/­related/­rdb.htmlpostgis.net
Technical documentationwww.h2database.com/­html/­main.htmlwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlpostgis.net/­documentation
DeveloperThomas MuellerOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release200519842005
Current release2.2.220, July 20237.4.1.1, 20213.4.2, February 2024
License infoCommercial or Open SourceOpen Source infodual-licence (Mozilla public license, Eclipse public license)commercialOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC
Server operating systemsAll OS with a Java VMHP Open VMS
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)yes
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.nonoyes
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyesyes
APIs and other access methodsJDBC
ODBC
Supported programming languagesJava
Server-side scripts infoStored proceduresJava Stored Procedures and User-Defined Functionsuser defined functions
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesWith clustering: 2 database servers on different computers operate on identical copies of a databaseyes infobased on PostgreSQL
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 integrityyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes, on a single nodeACID
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.yesnono
User concepts infoAccess controlfine grained access rights according to SQL-standardyes infobased on PostgreSQL

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H2Oracle RdbPostGIS
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