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DBMS > EXASOL vs. NuoDB vs. Oracle Coherence vs. Realm

System Properties Comparison EXASOL vs. NuoDB vs. Oracle Coherence vs. Realm

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonNuoDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.NuoDB is a webscale distributed database that supports SQL and ACID transactionsOracles in-memory data grid solutionA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelRelational DBMSRelational DBMSKey-value storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score0.89
Rank#198  Overall
#92  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score7.60
Rank#52  Overall
#9  Document stores
Websitewww.exasol.comwww.3ds.com/­nuodb-distributed-sql-databasewww.oracle.com/­java/­coherencerealm.io
Technical documentationwww.exasol.com/­resourcesdoc.nuodb.comdocs.oracle.com/­en/­middleware/­standalone/­coherencerealm.io/­docs
DeveloperExasolDassault Systèmes infooriginally NuoDB, Inc.OracleRealm, acquired by MongoDB in May 2019
Initial release2000201320072014
Current release14.1, August 2023
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freecommercialOpen Source
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.
Implementation languageC++Java
Server operating systemshosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
All OS with a Java VMAndroid
Backend: server-less
iOS
Windows
Data schemeyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.nononono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyesyesnono
APIs and other access methods.Net
JDBC
ODBC
WebSocket
ADO.NET
JDBC
ODBC
JCache
JPA
RESTful HTTP API
Supported programming languagesJava
Lua
Python
R
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C++
Java
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresuser defined functionsJava, SQLnono inforuns within the applications so server-side scripts are unnecessary
Triggersyesyesyes infoLive Eventsyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesShardingdata is dynamically stored/cached on the nodes where it is read/writtenShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoManaged transparently by NuoDByes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infotunable commit protocolconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTemporary tableyesyes infoIn-Memory realm
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardStandard SQL roles/ privileges, Administrative Usersauthentification to access the cache via certificates or http basic authenticationyes

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More resources
EXASOLNuoDBOracle CoherenceRealm
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