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DBMS > Druid vs. GRAKN.AI

System Properties Comparison Druid vs. GRAKN.AI

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Our visitors often compare Druid and GRAKN.AI with Neo4j, Elasticsearch and Cassandra.

Editorial information provided by DB-Engines
NameDruid  Xexclude from comparisonGRAKN.AI  Xexclude from comparison
DescriptionOpen-source analytics data store designed for OLAP queries on timeseries dataGrakn is a distributed, hyper-relational database for managing complex data that serves as a knowledge base for cognitive/AI systems.
Primary database modelRelational DBMS
Time Series DBMS
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.
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.73
Rank#111  Overall
#55  Relational DBMS
#7  Time Series DBMS
Score0.19
Rank#256  Overall
#23  Graph DBMS
#119  Relational DBMS
Websitedruid.iograkn.ai
Technical documentationdruid.io/­docs/­latest/­design/­index.htmldev.grakn.ai/­docs
DeveloperMetamarkets Group and contributorsGrakn Labs Ltd
Initial release20122016
Current release1.5.8, August 2019
License infoCommercial or Open SourceOpen Source infoApache license v2Open 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 systemsLinux
OS X
Unix
Linux
OS X
Windows
Data schemeyes infoschema-less columns are supportedyes
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 SQLSQL support via Apache Calcite adapterno
APIs and other access methodsJSON over HTTPconsole (shell)
gRPC protocol
Workbase (visualisation software)
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
All JVM based languages
Groovy
Java
JavaScript (Node.js)
Python
Scala
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoby using Cassandra
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesMaster-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 systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono infosubstituted by the relationship feature
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
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 controlno infoavailable via extensionsyes infoat REST API level; other APIs in progress
More information provided by the system vendor
DruidGRAKN.AI
Specific characteristicsGrakn is the knowledge graph to organise complex networks of data and making it queryable,...
» more
Competitive advantagesExpressive and flexible data model: The meta-schema of Grakn allows for modelling...
» more
Typical application scenariosLife sciences : Grakn makes working with biological data much easier and accelerates...
» more
Licensing and pricing modelsAGPL and Commercial . The commercial license is priced based on cluster resources...
» more

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DruidGRAKN.AI
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