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DBMS > FoundationDB vs. Kdb vs. Microsoft Access

System Properties Comparison FoundationDB vs. Kdb vs. Microsoft Access

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Editorial information provided by DB-Engines
NameFoundationDB  Xexclude from comparisonKdb  Xexclude from comparisonMicrosoft Access  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Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market.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.High performance Time Series DBMSMicrosoft Access combines a backend RDBMS (JET / ACE Engine) with a GUI frontend for data manipulation and queries. infoThe Access frontend is often used for accessing other datasources (DBMS, Excel, etc.)
Primary database modelDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Time Series DBMS
Vector DBMS
Relational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.87
Rank#197  Overall
#32  Document stores
#29  Key-value stores
#93  Relational DBMS
Score6.49
Rank#53  Overall
#2  Time Series DBMS
#4  Vector DBMS
Score95.36
Rank#13  Overall
#9  Relational DBMS
Websitegithub.com/­apple/­foundationdbkx.comwww.microsoft.com/­en-us/­microsoft-365/­access
Technical documentationapple.github.io/­foundationdbcode.kx.comdeveloper.microsoft.com/­en-us/­access
DeveloperFoundationDBKx Systems, a division of First Derivatives plcMicrosoft
Initial release20132000 infokdb was released 2000, kdb+ in 20031992
Current release6.2.28, November 20203.6, May 20181902 (16.0.11328.20222), March 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infofree 32-bit versioncommercial infoBundled with Microsoft Office
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++qC++
Server operating systemsLinux
OS X
Windows
Linux
OS X
Solaris
Windows
Windows infoNot a real database server, but making use of DLLs
Data schemeschema-free infosome layers support schemasyesyes
Typing infopredefined data types such as float or dateno infosome layers support typingyesyes
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
Secondary indexesnoyes infotable attribute 'grouped'yes
SQL infoSupport of SQLsupported in specific SQL layer onlySQL-like query language (q)yes infobut not compliant to any SQL standard
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
ADO.NET
DAO
ODBC
OLE DB
Supported programming languages.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
C
C#
C++
Delphi
Java (JDBC-ODBC)
VBA
Visual Basic.NET
Server-side scripts infoStored proceduresin SQL-layer onlyuser defined functionsyes infosince Access 2010 using the ACE-engine
Triggersnoyes infowith viewsyes infosince Access 2010 using the ACE-engine
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemLinearizable consistencyImmediate Consistency
Foreign keys infoReferential integrityin SQL-layer onlyyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID infobut no files for transaction logging
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infobut no files for transaction logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnorights management via user accountsno infoa simple user-level security was built in till version Access 2003

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More resources
FoundationDBKdbMicrosoft Access
DB-Engines blog posts

MS Access drops in DB-Engines Ranking
2 May 2013, Paul Andlinger

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3 December 2012, Matthias Gelbmann

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3 October 2012, Matthias Gelbmann, Paul Andlinger

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Recent citations in the news

Apple Acquires Durable Database Company FoundationDB
24 March 2015, TechCrunch

Apple-owned FoundationDB open sources the core technology at the heart of iCloud
19 April 2018, AppleInsider

FoundationDB team’s new venture, Antithesis, raises $47M to enhance software testing
13 February 2024, SiliconANGLE

FoundationDB, a very interesting NoSQL database owned by Apple, is now an open-source project
19 April 2018, GeekWire

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15 March 2022, theregister.com

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