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DBMS > Memgraph vs. NebulaGraph vs. OpenQM vs. Oracle NoSQL vs. YottaDB

System Properties Comparison Memgraph vs. NebulaGraph vs. OpenQM vs. Oracle NoSQL vs. YottaDB

Editorial information provided by DB-Engines
NameMemgraph  Xexclude from comparisonNebulaGraph  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOracle NoSQL  Xexclude from comparisonYottaDB  Xexclude from comparison
DescriptionAn open source graph database built for real-time streaming and compatible with Neo4jA distributed, linear scalable, high perfomant Graph DBMSQpenQM is a high-performance, self-tuning, multi-value DBMSA multi-model, scalable, distributed NoSQL database, designed to provide highly reliable, flexible, and available data management across a configurable set of storage nodesA fast and solid embedded Key-value store
Primary database modelGraph DBMSGraph DBMSMultivalue DBMSDocument store
Key-value store
Relational DBMS
Key-value store
Secondary database modelsRelational DBMS infousing the Octo plugin
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.19
Rank#94  Overall
#8  Graph DBMS
Score2.23
Rank#116  Overall
#10  Graph DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score3.05
Rank#97  Overall
#17  Document stores
#16  Key-value stores
#50  Relational DBMS
Score0.28
Rank#306  Overall
#44  Key-value stores
Websitememgraph.comgithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.oracle.com/­database/­nosql/­technologies/­nosqlyottadb.com
Technical documentationmemgraph.com/­docsdocs.nebula-graph.iodocs.oracle.com/­en/­database/­other-databases/­nosql-database/­index.htmlyottadb.com/­resources/­documentation
Social network pagesLinkedInTwitterFacebookGitHubDiscord
DeveloperMemgraph LtdVesoft Inc.Rocket Software, originally Martin PhillipsOracleYottaDB, LLC
Initial release20172019199320112001
Current release3.4-1224.1, May 2024
License infoCommercial or Open SourceOpen Source infoBSL 1.1; commercial license for enterprise edition availableOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoGPLv2, extended commercial license availableOpen Source infoProprietary for Enterprise Edition (Oracle Database EE license has Oracle NoSQL database EE covered: details)Open Source infoAGPL 3.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++C++JavaC
Server operating systemsLinuxLinuxAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Solaris SPARC/x86
Docker
Linux
Data schemeschema-free and schema-optionalStrong typed schemayes infowith some exceptionsSupport Fixed schema and Schema-less deployment with the ability to interoperate between them.schema-free
Typing infopredefined data types such as float or dateyesyesoptionalno
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.nonoyesnono
Secondary indexesyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.yesyesno
SQL infoSupport of SQLnoSQL-like query languagenoSQL-like DML and DDL statementsby using the Octo plugin
APIs and other access methodsBolt protocol
Cypher query language
Browser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
RESTful HTTP APIPostgreSQL wire protocol infousing the Octo plugin
Proprietary protocol
Supported programming languages.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
C++
Go
Java
PHP
Python
.Net
Basic
C
Java
Objective C
PHP
Python
C
C#
Go
Java
JavaScript (Node.js)
Python
C
Go
JavaScript (Node.js)
Lua
M
Perl
Python
Rust
Server-side scripts infoStored proceduresuser defined functionsyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infodynamic graph partitioningShardingyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTCausal Clustering using Raft protocolyesElectable source-replica replication per shard. Support distributed global deployment with Multi-region table featureyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency infodepending on configuration
Foreign keys infoReferential integrityyes inforelationships in graphsyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infowith snapshot isolationACIDACIDconfigurable infoACID within a storage node (=shard)optimistic locking
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes infousing RocksDByesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infooff heap cacheyes
User concepts infoAccess controlUsers, roles and permissionsRole-based access controlAccess rights can be defined down to the item levelAccess rights for users and rolesUsers and groups based on OS-security mechanisms
More information provided by the system vendor
MemgraphNebulaGraphOpenQM infoalso called QMOracle NoSQLYottaDB
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
NebulaGraph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» more
Market metricsAt our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more
NebulaGraph is open source and free to use under Apache 2.0 license.
» more

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More resources
MemgraphNebulaGraphOpenQM infoalso called QMOracle NoSQLYottaDB
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