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DBMS > H2GIS vs. Hawkular Metrics vs. Oracle Rdb vs. PostGIS vs. SQream DB

System Properties Comparison H2GIS vs. Hawkular Metrics vs. Oracle Rdb vs. PostGIS vs. SQream DB

Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonHawkular Metrics  Xexclude from comparisonOracle Rdb  Xexclude from comparisonPostGIS  Xexclude from comparisonSQream DB  Xexclude from comparison
DescriptionSpatial extension of H2Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.Spatial extension of PostgreSQLa GPU-based, columnar RDBMS for big data analytics workloads
Primary database modelSpatial DBMSTime Series DBMSRelational DBMSSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.08
Rank#368  Overall
#7  Spatial DBMS
Score0.08
Rank#366  Overall
#39  Time Series DBMS
Score1.14
Rank#178  Overall
#80  Relational DBMS
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.74
Rank#224  Overall
#103  Relational DBMS
Websitewww.h2gis.orgwww.hawkular.orgwww.oracle.com/­database/­technologies/­related/­rdb.htmlpostgis.netsqream.com
Technical documentationwww.h2gis.org/­docs/­homewww.hawkular.org/­hawkular-metrics/­docs/­user-guidewww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlpostgis.net/­documentationdocs.sqream.com
DeveloperCNRSCommunity supported by Red HatOracle, originally developed by Digital Equipment Corporation (DEC)SQream Technologies
Initial release20132014198420052017
Current release7.4.1.1, 20213.4.2, February 20242022.1.6, December 2022
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open Source infoApache 2.0commercialOpen Source infoGPL v2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaCC++, CUDA, Haskell, Java, Scala
Server operating systemsLinux
OS X
Windows
HP Open VMSLinux
Data schemeyesschema-freeFlexible Schema (defined schema, partial schema, schema free)yesyes
Typing infopredefined data types such as float or dateyesyesyesyesyes, ANSI Standard SQL Types
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.nononoyes
Secondary indexesyesnoyesyesno
SQL infoSupport of SQLyesnoyesyesyes
APIs and other access methodsHTTP REST.Net
JDBC
ODBC
Supported programming languagesJavaGo
Java
Python
Ruby
C++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyes infobased on H2nouser defined functionsuser defined functions in Python
Triggersyesyes infovia Hawkular Alertingyesno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on Cassandrayes infobased on PostgreSQLhorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2selectable replication factor infobased on Cassandrayes infobased on PostgreSQLnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoyes, on a single nodeACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonono
User concepts infoAccess controlyes infobased on H2noyes infobased on PostgreSQL

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More resources
H2GISHawkular MetricsOracle RdbPostGISSQream DB
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