DBMS > IBM Db2 vs. IBM Db2 warehouse vs. Microsoft Azure SQL Database

System Properties Comparison IBM Db2 vs. IBM Db2 warehouse vs. Microsoft Azure SQL Database

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Editorial information provided by DB-Engines

Name

Description

Common in IBM host environments, 2 different versions for host and Windows/Linux

Cloud-based data warehousing service

Database as a Service offering with high compatibility to Microsoft SQL Server

Primary database model

Relational DBMS

Since Version 10.5 support for JSON/BSON documents compatible with MongoDB

Relational DBMS

Secondary database models

Document store
RDF store

in Db2 LUW (Linux, Unix, Windows)
Spatial DBMS

with Db2 Spatial Extender

Document store
Graph DBMS
Spatial DBMS

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

Score	126.04
Rank	#9	Overall
	#6	Relational DBMS

Score	1.19
Rank	#162	Overall
	#74	Relational DBMS

Score	75.37
Rank	#16	Overall
	#11	Relational DBMS

Website

www.ibm.com/products/db2

www.ibm.com/products/db2/warehouse

azure.microsoft.com/en-us/products/azure-sql/database

Technical documentation

www.ibm.com/docs/en/db2

docs.microsoft.com/en-us/azure/azure-sql

Developer

IBM

Microsoft

Initial release

1983

host version

2014

2010

Current release

12.1, October 2016

V12

License

Commercial or Open Source

commercial

free version is available

commercial

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

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

Implementation language

C and C++

C++

Server operating systems

AIX
HP-UX
Linux
Solaris
Windows
z/OS

hosted

Data scheme

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.

Import/export of XML data possible

yes

Secondary indexes

yes

SQL

Support of SQL

yes

APIs and other access methods

ADO.NET
JDBC
JSON style queries

MongoDB compatible
ODBC
XQuery

.NET Client API
JDBC
ODBC
OLE DB

ADO.NET
JDBC
ODBC

Supported programming languages

C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic

Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby

.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby

Server-side scripts

Stored procedures

yes

PL/SQL, SQL PL

Transact SQL

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

only with Windows/Unix/Linux Version

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

yes

with separate tools (MQ, InfoSphere)

yes

yes, with always 3 replicas available

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

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

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Recent citations in the news

IBM Db2 and IBM Guardium together: Simplifying compliance and strengthening security
22 April 2025, IBM

IBM Db2 Modernizes With New AI-Powered Database Assistant
13 November 2024, Forbes

PHP Database Programming with DB2
7 November 2024, SitePoint

Authenticate Amazon RDS for Db2 instances using on-premises Microsoft Active Directory and Kerberos
16 December 2024, Amazon Web Services (AWS)

Db2 is a story worth telling, even if IBM won't
4 July 2024, theregister.com

provided by Google News

IBM Db2 12.1.1.0 has arrived: What’s new and improved?
5 February 2025, IBM

A major upgrade to Db2® Warehouse on IBM Cloud®
26 June 2024, IBM

Top 7 Cloud Data Warehouse Companies
31 May 2023, Datamation

Introducing the next generation of Db2 Warehouse: Our cost-effective, cloud-native data warehouse built for always-on, mission-critical workloads
11 July 2023, IBM

Db2 Warehouse delivers 4x faster query performance than previously, while cutting storage costs by 34x
11 July 2023, IBM

provided by Google News

Continuous Replication to Amazon RDS for SQL Server from Azure SQL
10 January 2025, Amazon Web Services (AWS)

The year ahead for SQL Server: Ground to cloud to fabric
15 January 2025, Microsoft

Native Vector Support in Azure SQL Database in Public Preview
16 November 2024, infoq.com

Modernize your database with the consolidation and retirement of Azure Database Migration tools
12 September 2024, Microsoft

Aon improves customer data security by leveraging Azure SQL Managed Instance with Microsoft Entra
4 February 2025, Microsoft

provided by Google News

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