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DBMS > Drizzle vs. Grakn vs. Memgraph vs. TerminusDB

System Properties Comparison Drizzle vs. Grakn vs. Memgraph vs. TerminusDB

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Editorial information provided by DB-Engines
NameDrizzle  Xexclude from comparisonGrakn  Xexclude from comparisonMemgraph  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.
DescriptionMySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.Grakn is a distributed, hyper-relational database for managing complex data that serves as a knowledge base for cognitive/AI systems.A hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelRelational DBMSGraph DBMS
Relational DBMS infoOften described as a 'hyper-relational' database, since it implements the 'Entity-Relationship Paradigm' to manage complex data structures and ontologies.
Graph DBMSGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.47
Rank#213  Overall
#17  Graph DBMS
#102  Relational DBMS
Score0.07
Rank#309  Overall
#28  Graph DBMS
Score0.06
Rank#314  Overall
#29  Graph DBMS
Websitegrakn.aimemgraph.comterminusdb.com
Technical documentationdev.grakn.ai/­docsdocs.memgraph.comterminusdb.com/­docs
DeveloperDrizzle project, originally started by Brian AkerGrakn LabsMemgraph LtdDataChemist Ltd.
Initial release2008201620172018
Current release7.2.4, September 20121.7.1, April 20201.1.1, January 2020
License infoCommercial or Open SourceOpen Source infoGNU GPLOpen Source infoGPL Version 3, commercial licenses availablecommercial infoFree license availableOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaC and C++Prolog, Rust
Server operating systemsFreeBSD
Linux
OS X
Linux
OS X
Windows
LinuxLinux
Data schemeyesyesschema-free and schema-optionalyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.nonono
Secondary indexesyesyes
SQL infoSupport of SQLyes infowith proprietary extensionsnonoSQL-like query language (WOQL)
APIs and other access methodsJDBCconsole (shell)
gRPC protocol
Workbase (visualisation software)
Bolt protocol
Cypher query language
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesC
C++
Java
PHP
All JVM based languages
Groovy
Java
JavaScript (Node.js)
Python
Scala
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
JavaScript
Python
Server-side scripts infoStored proceduresnonoyes
Triggersno infohooks for callbacks inside the server can be used.noyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoby using CassandraSharding infodynamic graph partitioningGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication
Master-slave replication
Master-master replication infoby using CassandraMulti-Master replication using RAFTJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoby using Apache Kafka and Apache Zookeepernono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno infosubstituted by the relationship featureyes inforelationships in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infowith snapshot isolationACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlPluggable authentication mechanisms infoe.g. LDAP, HTTPyes infoat REST API level; other APIs in progressUsers, roles and permissionsRole-based access control
More information provided by the system vendor
DrizzleGraknMemgraphTerminusDB infoformer name was DataChemist
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
News

Comparing Graql to SQL — Part 2/2
18 April 2020

Comparing Graql to SQL — Part 1/2
18 April 2020

Grakn Cosmos 2020: A Recap
25 February 2020

Moving from Slack to Discord
14 February 2020

Setting up a knowledge base to encode domain knowledge for Rasa
14 August 2019

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DrizzleGraknMemgraphTerminusDB infoformer name was DataChemist
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