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DBMS > KeyDB vs. NuoDB vs. OpenTenBase vs. Oracle Coherence

System Properties Comparison KeyDB vs. NuoDB vs. OpenTenBase vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameKeyDB  Xexclude from comparisonNuoDB  Xexclude from comparisonOpenTenBase  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsNuoDB is a webscale distributed database that supports SQL and ACID transactionsAn enterprise-level distributed HTAP open source database based on PostgreSQLOracles in-memory data grid solution
Primary database modelKey-value storeRelational DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.71
Rank#226  Overall
#33  Key-value stores
Score0.89
Rank#198  Overall
#92  Relational DBMS
Score0.00
Rank#383  Overall
#158  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Websitegithub.com/­Snapchat/­KeyDB
keydb.dev
www.3ds.com/­nuodb-distributed-sql-databasegithub.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
www.oracle.com/­java/­coherence
Technical documentationdocs.keydb.devdoc.nuodb.comdocs.opentenbase.org
docs.opentenbase.org/­en
docs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperEQ Alpha Technology Ltd.Dassault Systèmes infooriginally NuoDB, Inc.OpenAtom Foundation, previously TencentOracle
Initial release201920132007
Current release2.5, January 202414.1, August 2023
License infoCommercial or Open SourceOpen Source infoBSD-3commercial infolimited edition freeOpen Source infoBSD-3commercial
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++C++Java
Server operating systemsLinuxhosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
LinuxAll OS with a Java VM
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or datepartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyesyesyes
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.nonono
Secondary indexesyes infoby using the Redis Search moduleyesyesno
SQL infoSupport of SQLnoyesyesno
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization ProtocoADO.NET
JDBC
ODBC
JCache
JPA
RESTful HTTP API
Supported programming languagesC
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
C
Go
Java
PHP
Python
.Net
C++
Java
Server-side scripts infoStored proceduresLuaJava, SQLno
Triggersnoyesyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingdata is dynamically stored/cached on the nodes where it is read/writtenShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yes infoManaged transparently by NuoDByesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataOptimistic locking, atomic execution of commands blocks and scriptsACID infotunable commit protocolACIDconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyesyes
Durability infoSupport for making data persistentyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTemporary tableyes
User concepts infoAccess controlsimple password-based access control and ACLStandard SQL roles/ privileges, Administrative UsersAccess rights for users, groups and roles according to SQL-standardauthentification to access the cache via certificates or http basic authentication

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More resources
KeyDBNuoDBOpenTenBaseOracle Coherence
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