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DBMS > NebulaGraph vs. Oracle Coherence vs. Postgres-XL vs. TiDB

System Properties Comparison NebulaGraph vs. Oracle Coherence vs. Postgres-XL vs. TiDB

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Editorial information provided by DB-Engines
NameNebulaGraph  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPostgres-XL  Xexclude from comparisonTiDB  Xexclude from comparison
DescriptionA distributed, linear scalable, high perfomant Graph DBMSOracles in-memory data grid solutionBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresTiDB is an open source distributed SQL database that supports Hybrid Transactional/Analytical Processing (HTAP) workloads. It is MySQL compatible and features horizontal scalability, strong consistency, and high availability.
Primary database modelGraph DBMSKey-value storeRelational DBMSRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.92
Rank#122  Overall
#11  Graph DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Score0.43
Rank#260  Overall
#119  Relational DBMS
Score4.09
Rank#72  Overall
#38  Relational DBMS
Websitegithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
www.oracle.com/­java/­coherencewww.postgres-xl.orgpingcap.com
Technical documentationdocs.nebula-graph.iodocs.oracle.com/­en/­middleware/­standalone/­coherencewww.postgres-xl.org/­documentationdocs.pingcap.com/­tidb/­stable
DeveloperVesoft Inc.OraclePingCAP, Inc.
Initial release201920072014 infosince 2012, originally named StormDB2016
Current release14.1, August 202310 R1, October 20188.2.0, July 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0 + Common Clause 1.0commercialOpen Source infoMozilla public licenseOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
TiDB Cloud: Fully-managed TiDB Service. Bring everything great about TiDB to the cloud.
Implementation languageC++JavaCGo, Rust
Server operating systemsLinuxAll OS with a Java VMLinux
macOS
Linux
Data schemeStrong typed schemaschema-freeyesyes
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.nonoyes infoXML type, but no XML query functionalityno
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.noyesyes
SQL infoSupport of SQLSQL-like query languagenoyes infodistributed, parallel query executionyes
APIs and other access methodsBrowser 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
JCache
JPA
RESTful HTTP API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
GORM
JDBC
ODBC
Proprietary protocol
SQLAlchemy
Supported programming languages.Net
C++
Go
Java
PHP
Python
.Net
C++
Java
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
Server-side scripts infoStored proceduresuser defined functionsnouser defined functionsno
Triggersyes infoLive Eventsyesno
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioninghorizontal partitioning (by key range)
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocolyes, with selectable consistency levelUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes infowith TiSpark Connector
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphsnoyesyes infofull support since version 6.6
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDconfigurableACID infoMVCCACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing RocksDByes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnono
User concepts infoAccess controlRole-based access controlauthentification to access the cache via certificates or http basic authenticationfine grained access rights according to SQL-standardFine grained access rights according to SQL-standard
More information provided by the system vendor
NebulaGraphOracle CoherencePostgres-XLTiDB
Specific characteristicsNebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
TiDB is an advanced open-source, distributed SQL database for modern application...
» more
Competitive advantagesNebulaGraph boasts the world's only graph database solution that is able to host...
» more
- HORIZONTAL SCALING : TiDB grants total transparency into your data workloads without...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
TiDB is ideal for transactional applications that require extreme scalability and...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» more
Block, Pinterest, Catalyst, Bolt, Flipkart, Capcom, Shopee (E-commerce), JD Cloud...
» more
Market metricsAt our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
34K+ GitHub stars 5K+ members in TiDB Community Slack 1K+ community contributors...
» more
Licensing and pricing modelsNebulaGraph is open source and free to use under Apache 2.0 license.
» more
TiDB Community : Free open source software (Apache 2.0) TiDB Self-Hosted : Enterprise...
» more

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NebulaGraphOracle CoherencePostgres-XLTiDB
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