DBMS > NebulaGraph vs. PostgreSQL vs. SAP HANA
System Properties Comparison NebulaGraph vs. PostgreSQL vs. SAP HANA
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|Editorial information provided by DB-Engines|
|Name||NebulaGraph Xexclude from comparison||PostgreSQL Xexclude from comparison||SAP HANA 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||In-memory, column based data store. Available as appliance or cloud service|
|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.||Relational DBMS|
|Secondary database models||Document store|
Graph DBMS with Apache Age
Vector DBMS with pgvector extension
Graph DBMS with SAP Hana, Enterprise Edition
|Developer||Vesoft Inc.||PostgreSQL Global Development Group www.postgresql.org/developer||SAP|
|Initial release||2019||1989 1989: Postgres, 1996: PostgreSQL||2010|
|Current release||16.1, November 2023||2.0 SPS07 (April 4, 2023), April 2023|
|License Commercial or Open Source||Open Source Apache Version 2.0 + Common Clause 1.0||Open Source BSD||commercial|
|Cloud-based only Only available as a cloud service||no||no||no also available as a cloud based service|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.|
|Server operating systems||Linux||FreeBSD|
|Appliance or cloud-service|
|Data scheme||Strong typed schema||yes||yes|
|Typing predefined data types such as float or date||yes||yes||yes|
|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||yes|
|SQL Support of SQL||SQL-like query language||yes standard with numerous extensions||yes|
|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.||SQLScript, R|
|Partitioning methods Methods for storing different data on different nodes||Sharding||partitioning by range, list and (since PostgreSQL 11) by hash||yes|
|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||Immediate Consistency|
|Foreign keys Referential integrity||yes Relationships in graphs||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||ACID|
|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||yes|
|More information provided by the system vendor|
|Specific characteristics||NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...|
|Competitive advantages||NebulaGraph boasts the world's only graph database solution that is able to host...|
|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.|
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|3rd parties||Instaclustr: Fully Hosted & Managed PostgreSQL|
Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
pgDash: In-Depth PostgreSQL Monitoring.
Fujitsu Enterprise Postgres: An Enterprise Grade PostgreSQL with the flexibility of a hybrid cloud solution combined with industry leading security, availability and performance.
Navicat Monitor is a safe, simple and agentless remote server monitoring tool for PostgreSQL and many other database management systems.
Redgate webinars: A series of key topics for new PostgreSQL users.
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!
Aiven for PostgreSQL: Fully managed PostgreSQL for developers with 70+ extensions and flexible orchestration tools.
|CData: Connect to Big Data & NoSQL through standard Drivers.|
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|DB-Engines blog posts|
Snowflake is the DBMS of the Year 2022, defending the title from last year
|Recent citations in the news|
Vesoft (NebulaGraph) Recognized in the Gartner® Market Guide for Graph Database Management Systems
Open Source NebulaGraph Database Raises Tens of Millions of Dollars in Series A Funding
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Marketing Manager, Global—NebulaGraph Database
Sr PostgreSQL DBA
Full Stack Developer
SAP BW -Hana
Package Consultant-SAP HANA SCM MM
SAP SAC Planning Consultant
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