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DBMS > CockroachDB vs. FatDB vs. NebulaGraph

System Properties Comparison CockroachDB vs. FatDB vs. NebulaGraph

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Editorial information provided by DB-Engines
NameCockroachDB  Xexclude from comparisonFatDB  Xexclude from comparisonNebulaGraph  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionCockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.A .NET NoSQL DBMS that can integrate with and extend SQL Server.A distributed, linear scalable, high perfomant Graph DBMS
Primary database modelRelational DBMSDocument store
Key-value store
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.27
Rank#57  Overall
#33  Relational DBMS
Score1.79
Rank#154  Overall
#12  Graph DBMS
Websitewww.cockroachlabs.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
Technical documentationwww.cockroachlabs.com/­docsdocs.nebula-graph.io
DeveloperCockroach LabsFatCloudVesoft Inc.
Initial release201520122019
Current release21.1.2, June 2021
License infoCommercial or Open SourceOpen Source infoApache 2.0, commercial license availablecommercialOpen Source infoApache Version 2.0 + Common Clause 1.0
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.
CockroachDB: A cloud-native, distributed SQL database designed for speed, scale, and survival. Get started for free today with a fully-managed CockroachDB cluster -- leave operations behind and get your app to market faster.
Implementation languageGoC#C++
Server operating systemsLinux
macOS
Windows
WindowsLinux
Data schemedynamic schemaschema-freeStrong typed schema
Typing infopredefined data types such as float or dateyesyesyes
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 indexesyesyesyes 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.
SQL infoSupport of SQLyes, wire compatible with PostgreSQLno infoVia inetgration in SQL ServerSQL-like query language
APIs and other access methodsJDBC.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
Browser interface
console (shell)
Proprietary native API
Query language nGQL
Supported programming languagesC#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
C#C++
Go
Java
Python
Server-side scripts infoStored proceduresnoyes infovia applications
Triggersnoyes infovia applications
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFTShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTselectable replication factorCausal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnoyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlRole-based access controlno infoCan implement custom security layer via applicationsRole-based access control
More information provided by the system vendor
CockroachDBFatDBNebulaGraph
Specific characteristicsCockroachDB is a cloud-native, distributed SQL database architected for modern applications....
» more
NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantages- EFFORTLESS SCALE: Scale your applications, not operational complexity. CockroachDB...
» more
NebulaGraph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosSystem of record (financial ledger, inventory management, transaction record), identity...
» more
Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersComcast, DoorDash, Mythical Games, Norfolk Southern, LUSH, Bose, Shipt, Bitski, Five9,...
» more
Currently we have some top internet companies in China implementing NebulaGraph in...
» more
Market metrics8K+ long-running clusters 25K+ CockroachDB self-hosted clusters 75K+ CockroachDB...
» more
At our very early stage, NebulaGraph has already received over 8,200 stars and thousands...
» more
Licensing and pricing models- Apache 2.0 for core features released up to and including the 19.1 release - Time-limited...
» more
NebulaGraph is open source and free to use under Apache 2.0 license.
» more

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CockroachDBFatDBNebulaGraph
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