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DBMS > c-treeACE vs. c-treeEDGE vs. Kdb+

System Properties Comparison c-treeACE vs. c-treeEDGE vs. Kdb+

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Editorial information provided by DB-Engines
Namec-treeACE  Xexclude from comparisonc-treeEDGE  Xexclude from comparisonKdb+  Xexclude from comparison
DescriptionHigh speed key-value store, desgined for high availability, mission critical applications with automatic recovery and immediately consistent transaction support.Database built for IoT edge computing, which runs natively on ARM or x86 processors and on major IoT operating systems.High performance Time Series DBMS
Primary database modelKey-value store
Relational DBMS
Key-value store
Relational DBMS
Time Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.64
Rank#210  Overall
#38  Key-value stores
#102  Relational DBMS
Score0.38
Rank#252  Overall
#43  Key-value stores
#117  Relational DBMS
Score7.66
Rank#51  Overall
#2  Time Series DBMS
Websitewww.faircom.com/­products/­c-treeacewww.faircom.com/­products/­c-treeedge-iot-databasekx.com
Technical documentationlearn.faircomcorp.com/­developers/­documentation_directorylearn.faircomcorp.com/­developers/­documentation_directorycode.kx.com
DeveloperFairCom CorporationFairCom CorporationKx Systems, a division of First Derivatives plc
Initial release197919792000 infokdb was released 2000, kdb+ in 2003
Current releaseV11.5, November 2017V1, Juni 20183.6, May 2018
License infoCommercial or Open Sourcecommercial infoRestricted, free version availablecommercial infoRestricted, free version availablecommercial infofree 32-bit version
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageANSI C, C++ANSI C, C++q
Server operating systemsAIX
FreeBSD
HP-UX
Linux
NetBSD
OS X
QNX
SCO
Solaris
VxWorks
Windows infoeasily portable to other OSs
Android
Linux
Raspbian
Windows infoeasily portable to other OSs
Linux
OS X
Solaris
Windows
Data schemeFlexible Schema (defined schema, partial schema, schema free)Flexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or dateyes, ANSI Standard SQL Typesyes, ANSI Standard SQL Typesyes
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.nonoyes
Secondary indexesyesyesyes infotable attribute 'grouped'
SQL infoSupport of SQLyes infoANSI SQL queriesyes infoANSI SQL queriesSQL-like query language (q)
APIs and other access methodsADO.NET
Direct SQL
JDBC
ODBC
RESTful HTTP API
ADO.NET
Direct SQL
IoT Microservice layer
JDBC
MQTT (Message Queue Telemetry Transport)
ODBC
RESTful HTTP API
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
Supported programming languages.Net
C
C#
C++
Java
JavaScript
PHP
Python
Visual Basic
.Net
C
C#
C++
Java
JavaScript
PHP
Python
Visual Basic
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Server-side scripts infoStored proceduresyes info.Net, JavaScript, C/C++yes info.Net, JavaScript, C/C++user defined functions
Triggersyesyesyes infowith views
Partitioning methods infoMethods for storing different data on different nodesFile partitioning, horizontal partitioning, sharding infoCustomizable business rules for table partitioningFile partitioning infoCustomizable business rules for partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoSynchronous and asynchronous realtime replication based on transaction logsyes infoSynchronous and asynchronous realtime replication based on transaction logsSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infosimilar paradigm used for internal processing
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Tunable Consistency
Immediate Consistency
Tunable Consistency
Immediate Consistency
Foreign keys infoReferential integrityyes infowhen using SQLyes infowhen using SQLyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayes infoacross SQL and NoSQLyes infoacross SQL and NoSQLyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlFine grained user, group and file access rights managed across SQL (per ANSI standard) and NoSQL.Fine grained user, group and file access rights managed across SQL (per ANSI standard) and NoSQL.rights management via user accounts
More information provided by the system vendor
c-treeACEc-treeEDGEKdb+
Specific characteristicsSpeed, reliability and consistency are the reasons businesses choose FairComâ„¢s c-treeACE...
» more
The c-treeEDGE IoT Database is a fast, flexible solution with a robust architecture...
» more
Integrated columnar database & programming system for streaming, real time and historical...
» more
Competitive advantagesTop Features High-speed transaction processing Immediately consistent, ACID-compliant,...
» more
Top Features Micro footprint: As low as 37 MB IoT communication interfaces : MQTT,...
» more
provides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Typical application scenariosc-treeACE speed, reliability, and flexibility are direct reasons this technology...
» more
c-treeEDGE can be deployed at or near the data collection point (sensors) and used...
» more
tick database streaming sensor data massive intelligence applications oil and gas...
» more
Key customersVISA, UPS, Verizon, Motorola, CommVault, Thomson Reuters, ACI, BNY Mellon, Rockwell...
» more
New product
» more
Goldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricsFrom banking and financial transactions, transportation, warehouse automation, package...
» more
New product
» more
kdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsJust as the technical aspects of c-treeACE are flexible to meet operation requirements,...
» more
Just as the technical aspects of c-treeEDGE are flexible to meet operation requirements,...
» more
upon request
» more

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More resources
c-treeACEc-treeEDGEKdb+
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Recent citations in the news

FairCom and Software AG sign new contract for c-treeACE Database
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