DBMS > Memcached vs. Oracle Coherence vs. Raima Database Manager

System Properties Comparison Memcached vs. Oracle Coherence vs. Raima Database Manager

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines

Name

Description

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

Oracles in-memory data grid solution

RDBMS with a small footprint, either embedded into an application or used as a database server

Primary database model

Key-value store

Relational DBMS
Time Series DBMS

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

Score	15.78
Rank	#34	Overall
	#4	Key-value stores

Score	1.66
Rank	#132	Overall
	#22	Key-value stores

Score	0.27
Rank	#289	Overall
	#130	Relational DBMS
	#23	Time Series DBMS

Website

www.memcached.org

www.oracle.com/java/coherence

raima.com

Technical documentation

github.com/memcached/memcached/wiki

docs.oracle.com/en/middleware/standalone/coherence

docs.raima.com

Developer

Danga Interactive

originally developed by Brad Fitzpatrick for LiveJournal

Oracle

Raima Inc.

Initial release

2003

2007

1984

Current release

1.6.29, June 2024

14.1, August 2023

15, June 2021

License

Commercial or Open Source

Open Source

BSD license

commercial

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

Java

Server operating systems

FreeBSD
Linux
OS X
Unix
Windows

All OS with a Java VM

Android
HP-UX
Integrity RTOS
iOS
Linux
OS X
QNX
Solaris
VxWorks
Windows

Data scheme

schema-free

yes

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.

Exporting/Importing of XML structures possible

Secondary indexes

yes

SQL

Support of SQL

yes

APIs and other access methods

Proprietary protocol

JCache
JPA
RESTful HTTP API

ADO.NET
JDBC
ODBC
RESTful HTTP API

Supported programming languages

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

.Net
C++
Java

.Net
C
C++
Objective-C
PL/SQL

Server-side scripts

Stored procedures

yes

based on the ANSI/ISO SQL Persistent Stored Modules (PSM) specification

Triggers

yes

Live Events

yes

Partitioning methods

Methods for storing different data on different nodes

none

Sharding

horizontal partitioning

Replication methods

Methods for redundantly storing data on multiple nodes

none

Repcached, a Memcached patch, provides this functionallity

yes, with selectable consistency level

Source-replica replication

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency
Immediate Consistency

Immediate Consistency or Eventual Consistency depending on configuration

Foreign keys

Referential integrity

yes

Transaction concepts

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

configurable

ACID

Concurrency

Support for concurrent manipulation of data

yes

yes, multi-version concurrency control (MVCC)

Durability

Support for making data persistent

yes

optionally

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

yes

using SASL (Simple Authentication and Security Layer) protocol

authentification to access the cache via certificates or http basic authentication

More information provided by the system vendor

News

RaimaDB and QNX Forge a Powerful Partnership in Embedded Systems
9 July 2024

Raima Unveils RaimaDB 16.0: Elevating Database Performance and User Experience
29 February 2024

Raima Announces Release of Raima Database Manager (RDM) v15, a Powerful Embedded Time Series Database
10 June 2021

Raima Announces Release of Raima Database Manager (RDM) v14.2, a Powerful IoT Edge Embedded Database
8 October 2020

Raima Joins BlackBerry QNX Channel Partner Program to Deliver Safety-Critical and Secure Software Solutions
1 October 2020

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources

DB-Engines blog posts

Redis extends the lead in the DB-Engines key-value store ranking
3 February 2014, Matthias Gelbmann

New DB-Engines Ranking shows the popularity of database management systems
3 October 2012, Matthias Gelbmann, Paul Andlinger

show all

Recent citations in the news

Use Memcached for Java enterprise performance, Part 1: Architecture and setup
9 July 2024, InfoWorld

Memcrashed - Major amplification attacks from UDP port 11211
27 February 2018, The Cloudflare Blog

How to secure ElasticCache in AWS
18 October 2024, packtpub.com

New – Size flexibility for Amazon ElastiCache reserved nodes
1 October 2024, AWS Blog

WordPress Memcached: What It Is and How to Use It
17 August 2023, Themeisle

provided by Google News

CISA adds 2020 Oracle vulnerability to KEV: We hope you...
7 January 2025, The Stack

Article: Using Oracle Coherence with Spring Batch for High-Performance Data Processing
2 July 2019, Oracle

The January 2023 Oracle Critical Patch Update
17 January 2023, Qualys Blog

New solutions for Oracle WebLogic on Azure Virtual Machines
1 April 2021, Microsoft

Oracle Transforms Payments and Transaction Banking in the Cloud
18 September 2023, Oracle

provided by Google News

SOFTWARE TOOLS: Birdstep Technology intros RDM Embedded 9.1 & RDM Server 8.2
3 April 2009, Embedded

Raima re-bundles their Raima Database Manager packages to align with market trends
14 March 2012, Embedded

provided by Google News

Share this page