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DBMS > Oracle Rdb vs. PostGIS vs. Quasardb

System Properties Comparison Oracle Rdb vs. PostGIS vs. Quasardb

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Editorial information provided by DB-Engines
NameOracle Rdb  Xexclude from comparisonPostGIS  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionSpatial extension of PostgreSQLDistributed, high-performance timeseries database
Primary database modelRelational DBMSSpatial DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.23
Rank#180  Overall
#82  Relational DBMS
Score24.72
Rank#29  Overall
#1  Spatial DBMS
Score0.19
Rank#330  Overall
#30  Time Series DBMS
Websitewww.oracle.com/­database/­technologies/­related/­rdb.htmlpostgis.netquasar.ai
Technical documentationwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlpostgis.net/­documentationdoc.quasar.ai/­master
DeveloperOracle, originally developed by Digital Equipment Corporation (DEC)quasardb
Initial release198420052009
Current release7.4.1.1, 20213.4.2, February 20243.14.1, January 2024
License infoCommercial or Open SourcecommercialOpen Source infoGPL v2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC++
Server operating systemsHP Open VMSBSD
Linux
OS X
Windows
Data schemeFlexible Schema (defined schema, partial schema, schema free)yesschema-free
Typing infopredefined data types such as float or dateyesyesyes infointeger and binary
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.noyesno
Secondary indexesyesyesyes infowith tags
SQL infoSupport of SQLyesyesSQL-like query language
APIs and other access methodsHTTP API
Supported programming languages.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresuser defined functionsno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesyes infobased on PostgreSQLSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on PostgreSQLSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integration
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 datayes, on a single nodeACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infoTransient mode
User concepts infoAccess controlyes infobased on PostgreSQLCryptographically strong user authentication and audit trail

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More resources
Oracle RdbPostGISQuasardb
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