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DBMS > c-treeACE vs. eXtremeDB vs. PostgreSQL

System Properties Comparison c-treeACE vs. eXtremeDB vs. PostgreSQL

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Editorial information provided by DB-Engines
Namec-treeACE  Xexclude from comparisoneXtremeDB  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionHigh speed key-value store, desgined for high availability, mission critical applications with automatic recovery and immediately consistent transaction support.Natively in-memory DBMS with options for persistency, high-availability and clusteringWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelKey-value store
Relational DBMS
Relational DBMS
Time Series DBMS
Relational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.52
Rank#202  Overall
#34  Key-value stores
#98  Relational DBMS
Score0.38
Rank#221  Overall
#106  Relational DBMS
#12  Time Series DBMS
Score483.91
Rank#4  Overall
#4  Relational DBMS
Websitewww.faircom.com/­-products/­-c-treeacewww.mcobject.com/­extremedbfamilywww.postgresql.org
Technical documentationlearn.faircomcorp.com/­developers/­documentation_directorywww.mcobject.com/­docs/­eXtremeDB.htmwww.postgresql.org/­docs/­manuals
DeveloperFairCom CorporationMcObjectPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release197920011989 info1989: Postgres, 1996: PostgreSQL
Current releaseV11.5, November 20178.0, May 201812.0, October 2019
License infoCommercial or Open Sourcecommercial infoRestricted, free version availablecommercialOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageANSI C, C++C and C++C
Server operating systemsAIX
FreeBSD
HP-UX
Linux
NetBSD
OS X
QNX
SCO
Solaris
VxWorks
Windows infoeasily portable to other OSs
AIX
HP-UX
Linux
macOS
Solaris
Windows
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeFlexible Schema (defined schema, partial schema, schema free)yesyes
Typing infopredefined data types such as float or dateyes, ANSI Standard SQL 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.nono infosupport of XML interfaces availableyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyesyes
SQL infoSupport of SQLyes infoANSI SQL queriesyes infowith the option: eXtremeSQLyes infostandard with numerous extensions
APIs and other access methodsDirect SQL
RESTful HTTP API
ADO.NET
JDBC
ODBC
.NET Client API
JDBC
JNI
ODBC
proprietary protocol
native C library
streaming API for large objects
ADO.NET
JDBC
ODBC
Supported programming languages.Net
C
C#
C++
Java
JavaScript
PHP
Python
Visual Basic
.Net
C
C#
C++
Java
Lua
Python
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyes info.Net, JavaScript, C/C++yesuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyesyes infoby defining eventsyes
Partitioning methods infoMethods for storing different data on different nodesFile partitioning, horizontal partitioning, sharding infoCustomizable business rules for table partitioninghorizontal partitioning / shardingpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoSynchronous and asynchronous realtime replication based on transaction logsMaster-master replication infoby means of eXtremeDB Cluster option
Master-slave replication infoby means of eXtremeDB High Availability option
Master-slave replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemTunable Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes infowhen using SQLyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoacross SQL and NoSQLyes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyes
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.yesyesno
User concepts infoAccess controlFine grained user, group and file access rights managed across SQL (per ANSI standard) and NoSQL.fine grained access rights according to SQL-standard
More information provided by the system vendor
c-treeACEeXtremeDBPostgreSQL
Specific characteristicsSpeed, reliability and consistency are the reasons businesses choose FairCom’s c-treeACE...
» more
eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantagesTop Features High-speed transaction processing Immediately consistent, ACID-compliant,...
» more
eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» more
Typical application scenariosc-treeACE speed, reliability, and flexibility are direct reasons this technology...
» more
IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersVISA, UPS, Verizon, Motorola, CommVault, Thomson Reuters, ACI, BNY Mellon, Rockwell...
» more
Schneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsFrom banking and financial transactions, transportation, warehouse automation, package...
» more
With hundreds of customers and over 28 million devices/applications using the product...
» more
Licensing and pricing modelsJust as the technical aspects of c-treeACE are flexible to meet operation requirements,...
» more
For server use cases, there is a simple per-server license irrespective of the number...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
c-treeACEeXtremeDBPostgreSQL
DB-Engines blog posts

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2 January 2019, Paul Andlinger, Matthias Gelbmann

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Conferences and events

PostgreSQL Conference, Europe 2019
Milan, Italy, 15-18 October 2019 (finished)

Recent citations in the news

FairCom and Software AG sign new contract for c-treeACE Database
22 March 2019, PRNewswire

Database leader FairCom releases c-treeACE V11.5
8 November 2017, PR Newswire

Verizon awards database contract to FairCom
26 September 2018, Markets Insider

FairCom to feature #ctreeEDGE IoT Database at LiveWorx19
4 June 2019, PRNewswire

FairCom databases: Smaller footprint, lower licensing costs
14 August 2014, ZDNet

provided by Google News

McObject's eXtremeDB for HPC is Now Available on AWS
15 October 2019, HPCwire

eXtremeDB shortlisted for two Data Management Insight Awards
9 October 2019, Embedded Computing Design

eXtremeDB shortlisted in 4 different best DBMS categories in 1 week
8 October 2019, IoT For All

People Moves: AlgoDynamix, Tourmaline , Asset Control, SIX
27 September 2019, www.waterstechnology.com

Unique Active Replication Fabric feature announced by McObject for its eXtremeDB IoT SDK bundle
13 May 2019, GlobeNewswire

provided by Google News

PostgreSQL 12 boosts open source database performance
14 October 2019, TechTarget

PostgreSQL 12 Released
14 October 2019, iProgrammer

2ndQuadrant Contributes Major Features to PostgreSQL 12
3 October 2019, PRNewswire

PostgreSQL turns performance up for v12 release
3 October 2019, DevClass

PostgreSQL puts the pedal to the metal with some smart indexing tweaks in version 12
4 October 2019, The Register

provided by Google News

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