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DBMS > NCache vs. ObjectBox vs. Oracle Rdb vs. SpaceTime

System Properties Comparison NCache vs. ObjectBox vs. Oracle Rdb vs. SpaceTime

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonObjectBox  Xexclude from comparisonOracle Rdb  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreLightweight, fast on-device database for IoT, Mobile and Embedded devices, persisting and synchronising objects and vectorsSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelKey-value storeObject oriented DBMS
Vector DBMS
Relational DBMSSpatial DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Time Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.91
Rank#196  Overall
#29  Key-value stores
Score1.08
Rank#179  Overall
#6  Object oriented DBMS
#9  Vector DBMS
Score1.04
Rank#184  Overall
#84  Relational DBMS
Score0.00
Rank#385  Overall
#7  Spatial DBMS
Websitewww.alachisoft.com/­ncachegithub.com/­objectbox
objectbox.io
www.oracle.com/­database/­technologies/­related/­rdb.htmlwww.mireo.com/­spacetime
Technical documentationwww.alachisoft.com/­resources/­docsdocs.objectbox.iowww.oracle.com/­database/­technologies/­related/­rdb-doc.html
DeveloperAlachisoftObjectBox LimitedOracle, originally developed by Digital Equipment Corporation (DEC)Mireo
Initial release2005201719842020
Current release5.3.3, April 20244.0 (May 2024)7.4.1.1, 2021
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableBindings are released under Apache 2.0 infoApache License 2.0commercialcommercial
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#, .NET, .NET Core, JavaC and C++C++
Server operating systemsLinux
Windows
Android
Any POSIX system
Docker
iOS
Linux
macOS
QNX
Windows
HP Open VMSLinux
Data schemeschema-freeyesFlexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes, plus "flex" map-like typesyesyes
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 indexesyesyesyesno
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.noyesA subset of ANSI SQL is implemented
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
Proprietary native APIRESTful HTTP API
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
C
C++
Dart (Flutter)
Go
Java
Kotlin
Python
Swift
C#
C++
Python
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRnono
Triggersyes infoNotificationsnono
Partitioning methods infoMethods for storing different data on different nodesyesnoneFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelData sync between devices allowing occasional connected databases to work completely offlineReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingACIDyes, on a single nodeno
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.yesnonono
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)yesyes
More information provided by the system vendor
NCacheObjectBoxOracle RdbSpaceTime
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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NCacheObjectBoxOracle RdbSpaceTime
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