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DBMS > Oracle NoSQL vs. PostgreSQL vs. RocksDB vs. UniData,UniVerse

System Properties Comparison Oracle NoSQL vs. PostgreSQL vs. RocksDB vs. UniData,UniVerse

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Editorial information provided by DB-Engines
NameOracle NoSQL  Xexclude from comparisonPostgreSQL  Xexclude from comparisonRocksDB  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionKey-value store based on Berkeley DB Java EditionWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLEmbeddable persistent key-value store optimized for fast storage (flash and RAM)MultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelKey-value storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Key-value storeMultivalue DBMS
Secondary database modelsRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.97
Rank#76  Overall
#13  Key-value stores
Score513.92
Rank#4  Overall
#4  Relational DBMS
Score2.75
Rank#93  Overall
#17  Key-value stores
Score3.49
Rank#82  Overall
#2  Multivalue DBMS
Websitewww.oracle.com/­database/­nosql/­index.htmlwww.postgresql.orgrocksdb.orgwww.rocketsoftware.com/­products/­rocket-u2
Technical documentationdocs.oracle.com/­cd/­NOSQL/­index.htmlwww.postgresql.org/­docs/­manualsgithub.com/­facebook/­rocksdb/­wikiwww.rocketsoftware.com/­products/­rocket-u2/­documentation
DeveloperOraclePostgreSQL Global Development Group infowww.postgresql.org/­developerFacebook, Inc.Rocket Software
Initial release20111989 info1989: Postgres, 1996: PostgreSQL20131985
Current release19.5, November 201912.2, February 20206.6.4, January 2020
License infoCommercial or Open SourceOpen Source infoApache V2 for Community Edition, proprietary license for Enterprise EditionOpen Source infoBSDOpen Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
  • ScaleGrid: Fully managed PostgreSQL hosting with high availability, dedicated servers, and superuser control on the #1 multi-cloud Amazon RDS alternative.
  • Azure Database for PostgreSQL: A fully managed, scalable PostgreSQL relational database with high availability and security built in at no extra cost
Implementation languageJavaCC++C
Server operating systemsLinux
Solaris SPARC/x86
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeoptional, scheme definition possible with AVRO or in 'table-style'yesschema-freeschema-free
Typing infopredefined data types such as float or dateoptionalyesnooptional
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.noyes infospecific XML-type available, but no XML query functionality.no
Secondary indexesyesyesnoyes
SQL infoSupport of SQLSQL-like DML and DDL statementsyes infostandard with numerous extensionsnoyes
APIs and other access methodsRESTful HTTP APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
C++ API
Java API
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languagesC
C#
Java
JavaScript (Node.js)
Python
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C++
Java
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.noyes
Triggersnoyesnoyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesShardingpartitioning by range, list and (since PostgreSQL 11) by hashnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesElectable Master-Slave per shardMaster-slave replication infoother methods possible by using 3rd party extensionsnoneMaster-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodswith Hadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infodepending on configuration
Immediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataconfigurable infoACID within a storage node (=shard)ACIDyesACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infooff heap cachenoyes
User concepts infoAccess controlAccess rights for users and rolesfine grained access rights according to SQL-standardnoAccess rights according to SQL-standard and operating system based
More information provided by the system vendor
Oracle NoSQLPostgreSQLRocksDBUniData,UniVerse
Specific characteristicsOracle NoSQL Database is a scalable , distributed NoSQL database, designed to provide...
» more
Competitive advantagesData can be modeled as relational-database-style tables, JSON documents, RDF Triples...
» more
Typical application scenariosInternet of Things where large volume of data needs to be stored and processed very...
» more
Key customersLarge credit card company Airbus NTT Docomo Global rewards company
» more
Market metricsOracle NoSQL Database is used by hundreds of companies around the world. Oracle NoSQL...
» more
Licensing and pricing modelsOracle NoSQL Database Enterprise Edition can be purchased under the Oracle Commercial...
» more

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More resources
Oracle NoSQLPostgreSQLRocksDBUniData,UniVerse
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Conferences and events

PGCon 2020, PostgreSQL Conference for Users and Developers
Due to COVID-19, it will be an online conference, 26-29 May 2020

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