DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Amazon DynamoDB vs. EXASOL vs. IBM Db2 vs. PostgreSQL

System Properties Comparison Amazon DynamoDB vs. EXASOL vs. IBM Db2 vs. PostgreSQL

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameAmazon DynamoDB  Xexclude from comparisonEXASOL  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionHosted, scalable database service by Amazon with the data stored in Amazons cloudHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Common in IBM host environments, 2 different versions for host and Windows/LinuxWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelDocument store
Key-value store
Relational DBMSRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score64.27
Rank#16  Overall
#2  Document stores
#2  Key-value stores
Score2.75
Rank#88  Overall
#44  Relational DBMS
Score165.63
Rank#6  Overall
#5  Relational DBMS
Score509.86
Rank#4  Overall
#4  Relational DBMS
Websiteaws.amazon.com/­dynamodbwww.exasol.com/­en/­productswww.ibm.com/­analytics/­db2www.postgresql.org
Technical documentationdocs.aws.amazon.com/­dynamodbwww.exasol.com/­en/­community/­resourceswww.ibm.com/­support/­knowledgecenter/­SSEPGGwww.postgresql.org/­docs/­manuals
DeveloperAmazonExasolIBMPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release201220001983 infohost version1989 info1989: Postgres, 1996: PostgreSQL
Current release12.1, October 201612.2, February 2020
License infoCommercial or Open Sourcecommercial infofree tier for a limited amount of database operationscommercialcommercial infofree version is availableOpen Source infoBSD
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
  • ScaleGrid: Fully managed PostgreSQL hosting with high availability, dedicated servers, and superuser control on the #1 multi-cloud Amazon RDS alternative.
  • Azure Database for PostgreSQL: A fully managed, scalable PostgreSQL relational database with high availability and security built in at no extra cost
Implementation languageC and C++C
Server operating systemshostedAIX
HP-UX
Linux
Solaris
Windows
z/OS
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.noyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoyesyesyes infostandard with numerous extensions
APIs and other access methodsRESTful HTTP API.Net
JDBC
ODBC
WebSocket
ADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
Java
Lua
Python
R
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresnouser defined functionsyesuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyes infoby integration with AWS Lambdayesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding infoonly with Windows/Unix/Linux Versionpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infowith separate tools (MQ, InfoSphere)Master-slave replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)yes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoACID across one or more tables within a single AWS account and regionACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)Access rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

More information provided by the system vendor

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
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
» more
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
» more
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
» more

SQLPro for PostgreSQL: A simple but powerful PostgreSQL database client available on iPhone and iPad as well as macOS.
» more

CYBERTEC: your professional partner for PostgreSQL services and Data Science based on PostgreSQL since 2000. With offices in Austria, Uruguay, Estonia and Switzerland, CYBERTEC operates worldwide!
» more

2ndQuadrant: Mission Critical Databases.
» more

Dremio is like magic for PostgreSQL accelerating your analytical queries up to 1,000x.
» more

Azure Database for PostgreSQL provides fully managed, enterprise-ready community PostgreSQL database as a service
» more

pgDash: In-Depth PostgreSQL Monitoring.
» more

Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
» more

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

More resources
Amazon DynamoDBEXASOLIBM Db2 infoformerly named DB2 or IBM Database 2PostgreSQL
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

Increased popularity for consuming DBMS services out of the cloud
2 October 2015, Paul Andlinger

show all

PostgreSQL is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

PostgreSQL is the DBMS of the Year 2017
2 January 2018, Paul Andlinger, Matthias Gelbmann

Microsoft SQL Server is the DBMS of the Year
4 January 2017, Matthias Gelbmann, Paul Andlinger

show all

Conferences and events

PostgreSQL Database Administration
Online Training, daily from 5am – 7am UTC or 4pm – 6pm UTC, 4-8 May 2020

PGCon 2020, PostgreSQL Conference for Users and Developers
Due to COVID-19, it will be an online conference, 26-29 May 2020

Recent citations in the news

Building an IoT Prototype Project with AWS, Slack, and a Raspberry Pi
9 March 2020, IoT For All

What is Amazon DynamoDB?
31 December 2019, TechRadar

Your occasional enterprise storage digest, featuring Commvault, Nutanix, HYCU, MariaDB and more
1 April 2020, Blocks and Files

How DynamoDB Is Gaining Popularity In The Developer Community
28 November 2019, Analytics India Magazine

ScyllaDB takes on Amazon with new DynamoDB migration tool
11 September 2019, TechCrunch

provided by Google News

65% of Data Teams Have Experienced Employee Resistance to Adopting Data-Driven Methods
31 March 2020, StreetInsider.com

Many employees still resist data-driven culture
31 March 2020, TechTarget

Current and Future Growth of In-memory OLAP Database Market by Forecast to 2024: Leading Players – Altibase, IBM, Microsoft, Oracle, SAP SE
13 March 2020, Bandera County Courier

Revolut Achieves True Data Democratization With Exasol
31 July 2019, Business Wire

Exasol Teams up With Looker to Deliver Best In-Class Analytics Experience to Customers
6 November 2019, Business Wire

provided by Google News

IBM AI Solutions On Z Using Watson
31 March 2020, Toolbox

Four Hundred Monitor, March 16
16 March 2020, IT Jungle

How IBM Is Turning Db2 into an 'AI Database'
3 June 2019, Datanami

BMC Extends DevOps Reach to Db2 Databases
12 August 2019, DevOps.com

DBA Corner: Db2-The AI Database and more!
22 July 2019, Database Trends and Applications

provided by Google News

Tutorial: Deploy PostgreSQL on Kubernetes Running the OpenEBS Storage Engine
20 March 2020, thenewstack.io

10 Tools every developer should have when working with PostgreSQL
24 March 2020, Computerworld

Global NoSQL Market 2020 Top Manufactures – Microsoft SQL Server, MySQL, MongoDB, PostgreSQL, Oracle Database, MongoLab, MarkLogic, Couchbase, CloudDB, DynamoDB
4 April 2020, Science In Me

6 Best Companies in the SQL Space
10 March 2020, TechBullion

Faster PostgreSQL connection recovery
2 December 2019, The Guardian

provided by Google News

Job opportunities

App Developers Needed - Updates to existing product (Front & Backend)
Slate Cars, New York, NY

Database Consultant
Amazon Web Services, Inc., Remote

Python Developer
Kollasoft Inc, Carlsbad, CA

Software Developer
The Packed App, Denver, CO

Full Stack Developer
Sean E. Merryman Placements, Rockville, MD

Database Administrator
Trilliant, Cary, NC

Data Engineer
National Research Center for College & University Admissions, Austin, TX

AWS DevOps Engineer
National Research Center for College & University Admissions, Austin, TX

Intern: Analytics & Data Science
Equinix, Sunnyvale, CA

Junior Data Analyst - Marketing and Sales
McKinsey & Company, San Jose, CA

Main frame DB2 Database Administrator
Morgan Stanley, New York, NY

DB2 LUW DBA
Carnegie Soft, Atlanta, GA

DB2 DBA administrator
Boston Technology corporation, Columbus, OH

DB2 LUW Developer DBA
Epathusa, Atlanta, GA

DPS - IT - Database Administrator, DB2
TEXAS DEPARTMENT OF PUBLIC SAFETY, Austin, TX

PostgreSQL Consultant - remote
Percona, Remote

Database Consultant
Amazon Web Services, Inc., Remote

PostgreSQL DBA
West Advanced Technologies (WATI), Downey, CA

Online Developer 1
The Spokesman-Review, Remote

Software Development Engineer I, RDS PostgreSQL (Level 4)
Amazon Web Services, Inc., East Palo Alto, CA

jobs by Indeed




Share this page

Featured Products

Couchbase logo

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

Datastax Luna logo

Simple, subscription-based support for open source
Apache Cassandra™ from the Cassandra experts.
Learn more.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

RavenDB logo

Setup a fully managed RavenDB Cloud Database in minutes. Enjoy hosting, management, backups all in one place.
Grab a Free Instance

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