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DBMS > CrateDB vs. GRAKN.AI

System Properties Comparison CrateDB vs. GRAKN.AI

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Editorial information provided by DB-Engines
NameCrateDB  Xexclude from comparisonGRAKN.AI  Xexclude from comparison
DescriptionDistributed Date Store based on LuceneGrakn is a distributed, hyper-relational database for managing complex data that serves as a knowledge base for cognitive/AI systems.
Primary database modelRelational DBMS
Search engine
Graph DBMS
Relational DBMS infoOften described as a 'hyper-relational' database, since it implements the 'Entity-Relationship Paradigm' to manage complex data structures and ontologies.
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.60
Rank#192  Overall
#94  Relational DBMS
#13  Search engines
Score0.20
Rank#256  Overall
#21  Graph DBMS
#120  Relational DBMS
Websitecrate.iograkn.ai
Technical documentationcrate.io/­docsdev.grakn.ai/­docs
DeveloperCrateGrakn Labs Ltd
Initial release20132016
Current release1.5.8, August 2019
License infoCommercial or Open SourceOpen SourceOpen Source infoGPL Version 3, commercial licenses available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJava
Server operating systemsAll OS with a Java 7 VMLinux
OS X
Windows
Data schemeFlexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or dateyesyes
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
Secondary indexesyesyes
SQL infoSupport of SQLyes, but no triggers and constraintsno
APIs and other access methodsADO.NET infocommunity maintained client
JDBC
MQTT (Message Queue Telemetry Transport)
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
console (shell)
gRPC protocol
Workbase (visualisation software)
Supported programming languagesErlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
Ruby infocommunity maintained client
Scala infocommunity maintained client
All JVM based languages
Groovy
Java
JavaScript (Node.js)
Python
Scala
Server-side scripts infoStored proceduresuser defined functionsno
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoby using Cassandra
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factorMaster-master replication infoby using Cassandra
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoby using Apache Kafka and Apache Zookeeper
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Read Your Own Writes Consistency infofor primary key lookups
Immediate Consistency
Foreign keys infoReferential integritynono infosubstituted by the relationship feature
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infounique row identifiers can be used for implementing an optimistic concurrency control strategyACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlrights management via user accountsyes infoat REST API level; other APIs in progress
More information provided by the system vendor
CrateDBGRAKN.AI
Specific characteristicsCrateDB is an open source distributed SQL database that spreads data and processing...
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Grakn is the knowledge graph to organise complex networks of data and making it queryable,...
» more
Competitive advantagesCrateDB is typically used in operational analytics applications, particularly those...
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Expressive and flexible data model: The meta-schema of Grakn allows for modelling...
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Typical application scenariosCrateDB is ideal for integrating and analyzing streams of data--often machine-generated--in...
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Life sciences : Grakn makes working with biological data much easier and accelerates...
» more
Key customersCrateDB customers include McAfee, Qualtrics , Nokia, NBC Golfnow , Digital Domain...
» more
Market metricsThe CrateDB open source project was started in 2014. CrateDB was the winner of TechCrunch...
» more
Licensing and pricing modelsCrateDB pricing CrateDB Community Edition is open source and free to use under the...
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AGPL and Commercial . The commercial license is priced based on cluster resources...
» more

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
CrateDBGRAKN.AI
Conferences and events

Grakn Cosmos, the universal conference of technologies built using Grakn
London, UK, 6-7 February 2020

Recent citations in the news

Crate.io Launches CrateDB Cloud on Azure
21 October 2019, GlobeNewswire

Crate.io Releases New Version of CrateDB – the Database Built to Support IoT and IIoT Businesses
5 September 2019, GlobeNewswire

Crate.io Receives 2019 IoT Evolution Industrial IoT Product of the Year Award
10 July 2019, GlobeNewswire

Crate.io Releases Commercial Machine Data Platform
20 June 2018, LinuxInsider.com

Crate.io Introduces IoT Data Platform for Discrete Manufacturing
6 March 2019, GlobeNewswire

provided by Google News

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15 March 2017, DZone News

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28 October 2017, YourStory.com

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20 September 2017, Cloud Pro

provided by Google News

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