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DBMS > H2GIS vs. LevelDB vs. OushuDB vs. PostGIS

System Properties Comparison H2GIS vs. LevelDB vs. OushuDB vs. PostGIS

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonLevelDB  Xexclude from comparisonOushuDB  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionSpatial extension of H2Embeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningSpatial extension of PostgreSQL
Primary database modelSpatial DBMSKey-value storeRelational DBMSSpatial DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score2.35
Rank#111  Overall
#19  Key-value stores
Score0.04
Rank#363  Overall
#154  Relational DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websitewww.h2gis.orggithub.com/­google/­leveldbwww.oushu.com/­product/­oushuDBpostgis.net
Technical documentationwww.h2gis.org/­docs/­homegithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdwww.oushu.com/­documentationpostgis.net/­documentation
DeveloperCNRSGoogleOushu
Initial release201320112005
Current release1.23, February 20214.0.1, August 20203.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open Source infoBSDcommercialOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++C
Server operating systemsIllumos
Linux
OS X
Windows
Linux
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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 indexesyesnoyesyes
SQL infoSupport of SQLyesnoFull-featured ANSI SQL supportyes
APIs and other access methodsJDBC
ODBC
Supported programming languagesJavaC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C
C++
Server-side scripts infoStored proceduresyes infobased on H2noyesuser defined functions
Triggersyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneyesyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2noneyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlyes infobased on H2noKerberos, SSL and role based accessyes infobased on PostgreSQL

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More resources
H2GISLevelDBOushuDBPostGIS
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