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DBMS > FoundationDB vs. H2 vs. NCache vs. OceanBase vs. Oracle

System Properties Comparison FoundationDB vs. H2 vs. NCache vs. OceanBase vs. Oracle

Editorial information provided by DB-Engines
NameFoundationDB  Xexclude from comparisonH2  Xexclude from comparisonNCache  Xexclude from comparisonOceanBase  Xexclude from comparisonOracle  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionOrdered key-value store. Core features are complimented by layers.Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Open-Source and Enterprise in-memory Key-Value StoreA distributed, high available RDBMS compatible with Oracle and MySQLWidely used RDBMS
Primary database modelDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Relational DBMSKey-value storeRelational DBMSRelational DBMS
Secondary database modelsSpatial DBMSDocument store
Search engine infoUsing distributed Lucene
Document store
Wide column store
Document store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
Spatial DBMS infowith Oracle Spatial and Graph
Vector DBMS infosince Oracle 23
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.03
Rank#190  Overall
#31  Document stores
#28  Key-value stores
#89  Relational DBMS
Score8.13
Rank#49  Overall
#31  Relational DBMS
Score0.94
Rank#195  Overall
#29  Key-value stores
Score1.66
Rank#147  Overall
#68  Relational DBMS
Score1236.29
Rank#1  Overall
#1  Relational DBMS
Websitegithub.com/­apple/­foundationdbwww.h2database.comwww.alachisoft.com/­ncacheen.oceanbase.comwww.oracle.com/­database
Technical documentationapple.github.io/­foundationdbwww.h2database.com/­html/­main.htmlwww.alachisoft.com/­resources/­docsen.oceanbase.com/­docs/­oceanbase-databasedocs.oracle.com/­en/­database
DeveloperFoundationDBThomas MuellerAlachisoftOceanBase infopreviously Alibaba and Ant GroupOracle
Initial release20132005200520101980
Current release6.2.28, November 20202.2.220, July 20235.3.3, April 20244.3.0, April 202423c, September 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infodual-licence (Mozilla public license, Eclipse public license)Open Source infoEnterprise Edition availableOpen Source infoCommercial license availablecommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaC#, .NET, .NET Core, JavaC++C and C++
Server operating systemsLinux
OS X
Windows
All OS with a Java VMLinux
Windows
LinuxAIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
Data schemeschema-free infosome layers support schemasyesschema-freeyesyes infoSchemaless in JSON and XML columns
Typing infopredefined data types such as float or dateno infosome layers support typingyespartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryesyes
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.nonoyesyes
Secondary indexesnoyesyesyesyes
SQL infoSupport of SQLsupported in specific SQL layer onlyyesSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yesyes infowith proprietary extensions
APIs and other access methodsJDBC
ODBC
IDistributedCache
JCache
LINQ
Proprietary native API
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Proprietary native API
Table API
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Supported programming languages.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
Java.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
Ada infoin MySQL-compatible model
C infoin Oracle- and MySQL- compatible models
C++ infoin Oracle- and MySQL- compatible models
D infoin MySQL-compatible model
Delphi infoin MySQL-compatible model
Eiffel infoin MySQL-compatible model
Erlang infoin MySQL-compatible model
Haskell infoin MySQL-compatible model
Java infoin Oracle- and MySQL- compatible models
JavaScript (Node.js) infoin MySQL-compatible model
Objective-C infoin MySQL-compatible model
OCaml infoin MySQL-compatible model
Perl infoin MySQL-compatible model
PHP infoin MySQL-compatible model
Python infoin MySQL-compatible model
Ruby infoin MySQL-compatible model
Scheme infoin MySQL-compatible model
Tcl infoin MySQL-compatible model
C
C#
C++
Clojure
Cobol
Delphi
Eiffel
Erlang
Fortran
Groovy
Haskell
Java
JavaScript
Lisp
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Scala
Tcl
Visual Basic
Server-side scripts infoStored proceduresin SQL-layer onlyJava Stored Procedures and User-Defined Functionsno infosupport for stored procedures with SQL-Server CLRPL/SQL in oracle-compatible mode, MySQL Stored Procedure in mysql-compatible modePL/SQL infoalso stored procedures in Java possible
Triggersnoyesyes infoNotificationsyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneyeshorizontal partitioning (by hash, key, range, range columns, list, and list columns)Sharding, horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesWith clustering: 2 database servers on different computers operate on identical copies of a databaseyes, with selectable consistency levelMulti-source replication using PaxosMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono infocan be realized in PL/SQL
Consistency concepts infoMethods to ensure consistency in a distributed systemLinearizable consistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityin SQL-layer onlyyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDoptimistic locking and pessimistic lockingACIDACID infoisolation level can be parameterized
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoVersion 12c introduced the new option 'Oracle Database In-Memory'
User concepts infoAccess controlnofine grained access rights according to SQL-standardAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Access rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
FoundationDBH2NCacheOceanBaseOracle
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
OceanBase Database is the world’s only native distributed database that has set new...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
High Availability : The five IDCs across three sites disaster recovery solution sets...
» 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
OceanBase Database has helped over 400 customers across industries upgrade their...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
TPC-C No.1 Performance , achieved a result of 707.35 million tpmC in the TPC-C benchmark...
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
Mulan PubL v2 license for open source community edition. Commercial license for enterprise...
» more

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More resources
FoundationDBH2NCacheOceanBaseOracle
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