DBMS > AgensGraph vs. DuckDB vs. Memcached

System Properties Comparison AgensGraph vs. DuckDB vs. Memcached

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Editorial information provided by DB-Engines

Name

Description

Multi-model database supporting relational and graph data models and built upon PostgreSQL

An embeddable, in-process, column-oriented SQL OLAP RDBMS

In-memory key-value store, originally intended for caching

Primary database model

Graph DBMS
Relational DBMS

Relational DBMS

Key-value store

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	0.14
Rank	#335	Overall
	#31	Graph DBMS
	#147	Relational DBMS

Score	7.44
Rank	#44	Overall
	#27	Relational DBMS

Score	15.47
Rank	#34	Overall
	#4	Key-value stores

Website

bitnine.net/agensgraph

duckdb.org

www.memcached.org

Technical documentation

bitnine.net/documentation

duckdb.org/docs

github.com/memcached/memcached/wiki

Developer

Bitnine Global Inc.

Danga Interactive

originally developed by Brad Fitzpatrick for LiveJournal

Initial release

2016

2018

2003

Current release

2.1, December 2018

1.0.0, June 2024

1.6.29, June 2024

License

Commercial or Open Source

Open Source

Apache License 2.0

Open Source

MIT License

Open Source

BSD license

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

C++

Server operating systems

Linux
OS X
Windows

server-less

FreeBSD
Linux
OS X
Unix
Windows

Data scheme

depending on used data model

yes

schema-free

Typing

predefined data types such as float or date

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.

Secondary indexes

yes

SQL

Support of SQL

yes

APIs and other access methods

Cypher Query Language
JDBC

Arrow Database Connectivity (ADBC)
CLI Client
JDBC
ODBC

Proprietary protocol

Supported programming languages

C
Java
JavaScript
Python

C
C#

3rd party driver
C++
Crystal

3rd party driver
Go

3rd party driver
Java
Lisp

3rd party driver
Python
R
Ruby

3rd party driver
Rust
Swift
Zig

3rd party driver

.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby

Server-side scripts

Stored procedures

yes

Triggers

Partitioning methods

Methods for storing different data on different nodes

no, but can be realized using table inheritance

none

Replication methods

Methods for redundantly storing data on multiple nodes

Source-replica replication

none

Repcached, a Memcached patch, provides this functionallity

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

Concurrency

Support for concurrent manipulation of data

yes

yes, multi-version concurrency control (MVCC)

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts

Access control

fine grained access rights according to SQL-standard

yes

using SASL (Simple Authentication and Security Layer) protocol

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Recent citations in the news

Graph DBMS Performance Comparison AgensGraph vs. Neo4j
29 June 2017, Business Wire

AGE - The Open Source PostgreSQL Extension For Graph Database Functionality
27 June 2022, i-programmer.info

Bitnine Releases AgensGraph 2.1, the Multi-model Graph Database Optimized for the Legacy Environment
29 January 2019, Business Wire

Directors Company completes acquisition of Bitnine
5 December 2024, theinvestor.co.kr

Bitnine: The Newly Revealed ‘AI Teacher’ Powered by Graph Database Delivers Hyper-Personalized Learning Experience
25 March 2019, Business Wire

provided by Google News

Hands-On Exploratory Data Analysis with DuckDB
7 May 2025, Packt

Streamlining access to tabular datasets stored in Amazon S3 Tables with DuckDB | Amazon Web Services
18 March 2025, Amazon Web Services

Analyzing JSON Data with DuckDB and SQL
1 May 2025, KDnuggets

DuckDB project releases Local web UI, but not as open source
19 March 2025, devclass

Abusing DuckDB-WASM To Create Doom In SQL
23 April 2025, Hackaday

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1 May 2025, Phoronix

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9 July 2024, InfoWorld

Cache vs. Database: Has Performance Converged?
6 November 2024, The New Stack

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27 February 2018, The Cloudflare Blog

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18 October 2024, Packt

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