DBMS > NebulaGraph vs. PostgreSQL vs. Speedb
System Properties Comparison NebulaGraph vs. PostgreSQL vs. Speedb
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|Editorial information provided by DB-Engines|
|Name||NebulaGraph Xexclude from comparison||PostgreSQL Xexclude from comparison||Speedb Xexclude from comparison|
|Description||A distributed, linear scalable, high perfomant Graph DBMS||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||An embeddable, high performance key-value store optimized for write-intensive workloads, which can be used as a drop-in replacement for RocksDB|
|Primary database model||Graph DBMS||Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.||Key-value store|
|Secondary database models||Document store|
Graph DBMS with Apache Age
Vector DBMS with pgvector extension
|Developer||Vesoft Inc.||PostgreSQL Global Development Group www.postgresql.org/developer||Speedb|
|Initial release||2019||1989 1989: Postgres, 1996: PostgreSQL||2020|
|Current release||16.0, September 2023|
|License Commercial or Open Source||Open Source Apache Version 2.0 + Common Clause 1.0||Open Source BSD||Open Source Apache Version 2.0; commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.|
|Server operating systems||Linux||FreeBSD|
|Data scheme||Strong typed schema||yes||schema-free|
|Typing predefined data types such as float or date||yes||yes||no|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||yes specific XML-type available, but no XML query functionality.||no|
|Secondary indexes||yes Nebula 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.||yes||no|
|SQL Support of SQL||SQL-like query language||yes standard with numerous extensions||no|
|APIs and other access methods||Browser interface|
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis ORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
native C library
streaming API for large objects
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||user defined functions||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding||partitioning by range, list and (since PostgreSQL 11) by hash||horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||Causal Clustering using Raft protocol||Source-replica replication other methods possible by using 3rd party extensions||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes Relationships in graphs||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||yes|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes using RocksDB||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no||yes|
|User concepts Access control||Role-based access control||fine grained access rights according to SQL-standard||no|
|More information provided by the system vendor|
|Specific characteristics||NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...|
|Speedb is an embedded key-value storage engine for versatile use cases. It was designed...|
|Competitive advantages||NebulaGraph boasts the world's only graph database solution that is able to host...|
|Speedb Open-source rebases on RocksDB's latest versions, with enhanced capabilities...|
|Typical application scenarios||Social networking Fraud detection Knowledge graph Data warehouse management Anti...|
|Key customers||Currently we have some top internet companies in China implementing NebulaGraph in...|
|Market metrics||At our very early stage, NebulaGraph has already received over 8,200 stars and thousands...|
|Licensing and pricing models||NebulaGraph is open source and free to use under Apache 2.0 license.|
|Open source - Speedb OSS is released under an Apache license and can be found on...|
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|3rd parties||pgDash: In-Depth PostgreSQL Monitoring. |
Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters
Instaclustr: Fully Hosted & Managed PostgreSQL
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
Timescale: Calling all PostgreSQL users – the 2023 State of PostgreSQL survey is now open! Share your favorite extensions, preferred frameworks, community experiences, and more. Take the survey today!
Redgate webinars: A series of key topics for new PostgreSQL users.
Navicat Monitor is a safe, simple and agentless remote server monitoring tool for PostgreSQL and many other database management systems.
Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.
Fujitsu Enterprise Postgres: An Enterprise Grade PostgreSQL with the flexibility of a hybrid cloud solution combined with industry leading security, availability and performance.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|DB-Engines blog posts|
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|Conferences and events|
PostgreSQL 101: An introduction to Multi-Version Concurrency Control and Vacuum
|Recent citations in the news|
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Software Engineer(Support)—NebulaGraph Database
Marketing Manager, Global—NebulaGraph Database
Software Engineer(Cloud)—NebulaGraph Database
Senior Backend Engineer (Data Platform)
PostgreSQL Database Administrator
Database Administrator (part time Night shift/weekend)
Junior Backend Developer
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