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DBMS > AllegroGraph vs. c-treeEDGE vs. Cassandra

System Properties Comparison AllegroGraph vs. c-treeEDGE vs. Cassandra

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Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonc-treeEDGE  Xexclude from comparisonCassandra  Xexclude from comparison
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSDatabase built for IoT edge computing, which runs natively on ARM or x86 processors and on major IoT operating systems.Wide-column store based on ideas of BigTable and DynamoDB infoOptimized for write access
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Key-value store
Relational DBMS
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.95
Rank#170  Overall
#26  Document stores
#14  Graph DBMS
#7  RDF stores
Score0.34
Rank#246  Overall
#43  Key-value stores
#114  Relational DBMS
Score119.84
Rank#11  Overall
#1  Wide column stores
Websiteallegrograph.comwww.faircom.com/­-products/­-c-treeedgecassandra.apache.org
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmllearn.faircomcorp.com/­developers/­documentation_directorycassandra.apache.org/­doc/­latest
DeveloperFranz Inc.FairCom CorporationApache Software Foundation infoApache top level project, originally developped by Facebook
Initial release200419792008
Current release7.0.0, April 2020V1, Juni 20183.11.7, July 2020
License infoCommercial or Open Sourcecommercial infoLimited community edition freecommercial infoRestricted, free version availableOpen Source infoApache version 2
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++Java
Server operating systemsLinux
OS X
Windows
Android
Linux
Raspbian
Windows infoeasily portable to other OSs
BSD
Linux
OS X
Windows
Data schemeyes infoRDF schemasFlexible Schema (defined schema, partial schema, schema free)schema-free
Typing infopredefined data types such as float or dateyesyes, 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.no infobulk load of XML files possiblenono
Secondary indexesyesyesrestricted infoonly equality queries, not always the best performing solution
SQL infoSupport of SQLSPARQL is used as query languageyes infoANSI SQL queriesSQL-like SELECT, DML and DDL statements (CQL)
APIs and other access methodsRESTful HTTP API
SPARQL
ADO.NET
Direct SQL
IoT Microservice layer
JDBC
MQTT (Message Queue Telemetry Transport)
ODBC
RESTful HTTP API
Proprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
.Net
C
C#
C++
Java
JavaScript
PHP
Python
Visual Basic
C#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresyes infoJavaScript or Common Lispyes info.Net, JavaScript, C/C++no
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodeswith FederationFile partitioning infoCustomizable business rules for partitioningSharding infono "single point of failure"
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yes infoSynchronous and asynchronous realtime replication based on transaction logsselectable replication factor infoRepresentation of geographical distribution of servers is possible
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate Consistency
Tunable Consistency
Eventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integritynoyes infowhen using SQLno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno infoAtomicity and isolation are supported for single operations
Concurrency infoSupport for concurrent manipulation of datayesyes 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.noyesno
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationFine grained user, group and file access rights managed across SQL (per ANSI standard) and NoSQL.Access rights for users can be defined per object
More information provided by the system vendor
AllegroGraphc-treeEDGECassandra
Specific characteristicsKnowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
The c-treeEDGE IoT Database is a fast, flexible solution with a robust architecture...
» more
Apache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
Top Features Micro footprint: As low as 37 MB IoT communication interfaces : MQTT,...
» more
No single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosc-treeEDGE can be deployed at or near the data collection point (sensors) and used...
» more
Internet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersNew product
» more
Apple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsNew product
» more
Cassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsJust as the technical aspects of c-treeEDGE are flexible to meet operation requirements,...
» more
Apache license  Pricing for commercial distributions provided by DataStax and available...
» more
News

Knowledge graphs enhance customer experience through speed and accuracy
10 July 2020

AllegroGraph Named to 100 Companies That Matter Most in Data
22 June 2020

Bloor Research Covers AllegroGraph with FedShard
5 June 2020

AllegroGraph Tutorial – Distributed Repository Using Shards and Federation Setup
25 May 2020

Advanced Knowledge Graph Visualization with New Gruff v8
12 May 2020

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DBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
AllegroGraphc-treeEDGECassandra
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Recent citations in the news

Ubiquitous AI Demands A New Type Of Database Sharding
1 May 2020, Forbes

AllegroGraph v7 Powers First Distributed Semantic Knowledge Graph Solution with Federated-Sharding
26 May 2020, Business Wire

Three Necessities For Maximizing Your Digital Twins Approach
4 November 2019, Forbes

Answering the Question Why: Explainable AI
18 March 2020, AiThority

Franz AllegroGraph 7 Provides Distributed Semantic Knowledge Graph Solution with Federated-Sharding
29 April 2020, Database Trends and Applications

provided by Google News

FairCom names new senior sales director
27 January 2020, PRNewswire

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

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

How Distributed Operations and a Unified Culture Helped a Technology Company Overcome COVID-19 Challenges
15 June 2020, ENGINEERING.com

FairCom joins INCITS committee that defines GQL, SQL standards
21 January 2020, Yahoo Finance

provided by Google News

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21 July 2020, Computer Business Review

How the Apache Cassandra community stopped fighting to build its best release yet
22 July 2020, TechRepublic

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22 July 2020, www.computing.co.uk

Cassandra Update Boosts Recovery Speeds
27 July 2020, DevOps.com

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