DB-EngineseXtremeDB: 5 9's high availability databaseEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Amazon Aurora vs. EXASOL vs. Hazelcast vs. KeyDB vs. Memcached

System Properties Comparison Amazon Aurora vs. EXASOL vs. Hazelcast vs. KeyDB vs. Memcached

Editorial information provided by DB-Engines
NameAmazon Aurora  Xexclude from comparisonEXASOL  Xexclude from comparisonHazelcast  Xexclude from comparisonKeyDB  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionMySQL and PostgreSQL compatible cloud service by AmazonHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.A widely adopted in-memory data gridAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsIn-memory key-value store, originally intended for caching
Primary database modelRelational DBMSRelational DBMSKey-value storeKey-value storeKey-value store
Secondary database modelsDocument storeDocument store infoJSON support with IMDG 3.12
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.19
Rank#44  Overall
#27  Relational DBMS
Score3.65
Rank#85  Overall
#43  Relational DBMS
Score9.47
Rank#42  Overall
#5  Key-value stores
Score0.23
Rank#271  Overall
#46  Key-value stores
Score26.34
Rank#27  Overall
#4  Key-value stores
Websiteaws.amazon.com/­rds/­aurorawww.exasol.comhazelcast.comgithub.com/­JohnSully/­KeyDB
keydb.dev
www.memcached.org
Technical documentationdocs.aws.amazon.com/­AmazonRDS/­latest/­AuroraUserGuide/­CHAP_Aurora.htmlwww.exasol.com/­en/­resourceshazelcast.org/­imdg/­docsdocs.keydb.dev/­docs/­introgithub.com/­memcached/­memcached/­wiki
DeveloperAmazonExasolHazelcastEQ Alpha Technology Ltd.Danga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release20152000200820192003
Current release4.0.3, September 20201.6.0, March 2020
License infoCommercial or Open SourcecommercialcommercialOpen Source infoApache Version 2; commercial licenses availableOpen Source infoBSD-3Open Source infoBSD license
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++C
Server operating systemshostedAll OS with a Java VMLinuxFreeBSD
Linux
OS X
Unix
Windows
Data schemeyesyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesno
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.yesnoyes infothe object must implement a serialization strategyno
Secondary indexesyesyesyesyes infoby using the Redis Search moduleno
SQL infoSupport of SQLyesyesSQL-like query languagenono
APIs and other access methodsADO.NET
JDBC
ODBC
.Net
JDBC
ODBC
WebSocket
JCache
JPA
Memcached protocol
RESTful HTTP API
Proprietary protocol infoRESP - REdis Serialization ProtocoProprietary protocol
Supported programming languagesAda
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
Java
Lua
Python
R
.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresyesuser defined functionsyes infoEvent Listeners, Executor ServicesLuano
Triggersyesyesyes infoEventsnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes infoReplicated MapMulti-source replication
Source-replica replication
none infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmEventual Consistency
Strong eventual consistency with CRDTs
Foreign keys infoReferential integrityyesyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDone or two-phase-commit; repeatable reads; read commitedOptimistic locking, atomic execution of commands blocks and scriptsno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users, groups and roles according to SQL-standardRole-based access controlsimple password-based access control and ACLyes infousing SASL (Simple Authentication and Security Layer) protocol
More information provided by the system vendor
Amazon AuroraEXASOLHazelcastKeyDBMemcached
Specific characteristicsHazelcast is an in-memory computing platform that runs applications with extremely...
» more
Competitive advantagesHazelcast has an optimized, multi-threaded architecture that enables the highest...
» more
Typical application scenariosHazelcast powers many types of large-scale, data processing applications. A sample...
» more
Key customersHazelcast customers include 50 of the world’s largest financial services companies,...
» more
Licensing and pricing modelsHazelcast provides both open source and commercial software. The open source offering...
» more

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
Amazon AuroraEXASOLHazelcastKeyDBMemcached
DB-Engines blog posts

Cloud-based DBMS's popularity grows at high rates
12 December 2019, Paul Andlinger

The popularity of cloud-based DBMSs has increased tenfold in four years
7 February 2017, Matthias Gelbmann

Amazon - the rising star in the DBMS market
3 August 2015, Matthias Gelbmann

show all

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

Migrate to an Amazon Aurora PostgreSQL instance from another PostgreSQL source
9 September 2020, idk.dev

Google Cloud SQL Supports MySQL 8.0
9 September 2020, InfoQ.com

What is Amazon Aurora?
23 December 2019, TechRadar

How to delete user data in an AWS data lake
18 September 2020, idk.dev

N2WS now supports AWS Outposts
15 September 2020, PR Web

provided by Google News

Exasol Research Finds 58% of Organizations Make Decisions Based on Outdated Data
29 September 2020, Business Wire

Exasol dominates its peer groups in BARC Data Management Survey 2020
24 September 2020, Business Wire

Exasol and Cittabase Partner to Deliver Best-In-Class Analytics Experience to APAC Customers
2 September 2020, Business Wire

Exasol & Cittabase Partner to Deliver Best Analytics Experience
3 September 2020, Martechcube

Exasol Announces New Partnership with Rackspace Technology
8 September 2020, Business Wire

provided by Google News

Hazelcast Advances Leadership, Lowers Barrier of Adoption to In-Memory Digital Integration Hubs
9 September 2020, PRNewswire

Hazelcast Adds SQL Support in Latest Upgrade -- ADTmag
17 September 2020, ADT Magazine

In Memory Computing Market 2026| SAP • TIBCO • Oracle • Software • IBM • Hazelcast • Altibase • GridGain Systems • Microsoft; Post Pandemic Opportunities
28 September 2020, The Daily Chronicle

Stream Processing Is a Great Addition to Data Grid, Hazelcast Finds
14 September 2020, Datanami

Global In-Memory Data Grids Market Strategic Analysis of Current Industry Figures With Forecasts Growth by 2024 | IBM, Software AG, Hazelcast – The Daily Chronicle
29 September 2020, The Daily Chronicle

provided by Google News

Redis 6 arrives with multithreading for faster I/O
30 April 2020, InfoWorld

AWS Announces New Generation of Amazon EC2 Instances Powered by AWS Graviton2 Processors
15 June 2020, Database Trends and Applications

11 Canadian startups at Y Combinator's Summer 2020 Demo Day
24 August 2020, BetaKit

Beyond the mainstream database offerings
26 March 2020, TechCentral.ie

Amazon rolls out cloud computing instances with faster Arm-based Graviton processors
11 June 2020, SiliconANGLE

provided by Google News

Google Cloud launches a managed Memcached service
2 April 2020, TechCrunch

Google Cloud rolls out Memcached database caching – Blocks and Files
4 April 2020, Blocks and Files

Google Unveils Memorystore for Memcached
6 April 2020, Database Trends and Applications

Memcached 1.6 puts binary protocol to bed • DEVCLASS
9 March 2020, DevClass

Buffer Overflow in Memcached Fixed | Decipher
24 March 2020, Decipher

provided by Google News

Job opportunities

Sr. Software Development Manager - Aurora Storage
Amazon.com Services LLC, Seattle, WA

Software Development Manager, Amazon Aurora
Amazon.com Services LLC, Seattle, WA

Data Architect
Tista Science and Technology Corporation, Remote

Sr. Software Development Manager - Aurora PostgreSQL
Amazon Web Services, Inc., Boston, MA

Director, Aurora Storage
Amazon Web Services, Inc., Remote

Database Administrator
Trilliant, Cary, NC

Service Desk Specialist
Exasol, Atlanta, GA

Data Analyst Intern - Periscope
McKinsey & Company, San Jose, CA

Senior Reporting Analytics Developer
Bumble, Austin, TX

Business Intelligence Intern - Summer 2021
InterWorks, Stillwater, OK

Data Scientist I
Bank of America, Plano, TX

Java Developers
Nithya Information Systems, Ann Arbor, MI

Intranet Java Developer
Menard, Inc, Eau Claire, WI

Assistant Vice President, Engineer
Deutsche Bank, Cary, NC

Java Engineer
HYR Global Source Inc, Newark, NY

Software Engineering Internship
Slack, California

Production Engineer
Facebook, Boston, MA

Production Engineer, Intern/Co-Op
Facebook, Menlo Park, CA

Frontend Engineer (ES8/React/Redux/Saga)
Action Verb, Remote

Software Engineer - Cache
Twitter, San Francisco, CA

jobs by Indeed




Share this page

Featured Products

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Datastax Astra logo

Cassandra made easy in the cloud. Build cloud-native applications faster with CQL, REST and GraphQL APIs.
Try for Free.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Present your product here