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DBMS > Citus vs. Oracle Coherence

System Properties Comparison Citus vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameCitus  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLOracles in-memory data grid solution
Primary database modelRelational DBMSKey-value store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.00
Rank#152  Overall
#73  Relational DBMS
Score2.15
Rank#108  Overall
#20  Key-value stores
Websitewww.citusdata.comwww.oracle.com/­technetwork/­middleware/­coherence/­overview/­index.html
Technical documentationdocs.citusdata.comwww.oracle.com/­technetwork/­middleware/­coherence/­documentation/­index.html
DeveloperOracle
Initial release20102007
Current release8.1, December 201812c, September 2016
License infoCommercial or Open SourceOpen Source infoAGPL, commercial license also availablecommercial
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJava
Server operating systemsLinuxAll OS with a Java VM
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes
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.yes infospecific XML type available, but no XML query functionalityno
Secondary indexesyesno
SQL infoSupport of SQLyes infostandard, with numerous extensionsno
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
JCache
JPA
RESTful HTTP API
Supported programming languages.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
C++
Java
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.no
Triggersyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replication infoother methods possible by using 3rd party extensionsyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlfine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authentication

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More resources
CitusOracle Coherence
Recent citations in the news

Microsoft acquires Citus Data
24 January 2019, TechCrunch

Microsoft Expands Azure PostgreSQL Moxy Through Citus Data Purchase
30 January 2019, Data Center Knowledge

Microsoft Acquires Citus Data to Dive Deeper into Postgres
30 January 2019, eWeek

Citus Data Announces Citus Cloud Database Support for HIPAA and SOC 2 Type 2 Compliance
13 November 2018, Business Wire

Microsoft rolls out new performance-scaling features for Azure databases, including serverless Azure SQL
6 May 2019, GeekWire

provided by Google News

Oracle equips WebLogic, Coherence for cloud use
11 July 2013, PCWorld

SL Corporation Launches RTView Oracle Coherence Monitor 6.0 with Advanced Analytics and Alerting; Integration with RTView Enterprise Monitor
9 May 2013, Business Wire

GridGain: Product Overview and Analysis
5 June 2019, eWeek

Newly Announced Ecstasy Programming Language Targets Cloud-Native Computing
8 November 2019, InfoQ.com

Railroads Roll Ahead With Cloud-Based Crew Management
10 September 2018, Forbes

provided by Google News

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